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This imports readline 8.0. readline/ChangeLog.gdb 2019-08-12 Tom Tromey <tom@tromey.com> * Imported readline 8.0.
1705 lines
70 KiB
Plaintext
1705 lines
70 KiB
Plaintext
This document details the changes between this version, readline-8.0, and the
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previous version, readline-7.0.
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1. Changes to Readline
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a. Added a guard to prevent nested macros from causing an infinite expansion
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loop.
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b. Instead of allocating enough history list entries to hold the maximum list
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size, cap the number allocated initially.
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c. Added a strategy to avoid allocating huge amounts of memory if a block of
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history entries without timestamps occurs after a block with timestamps.
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d. Added support for keyboard timeouts when an ESC character is the last
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character in a macro.
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e. There are several performance improvements when in a UTF-8 locale.
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f. Readline does a better job of preserving the original set of blocked
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signals when using pselect() to wait for input.
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g. Fixed a bug that caused multibyte characters in macros to be mishandled.
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h. Fixed several bugs in the code that calculates line breaks when expanding
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prompts that span several lines, contain multibyte characters, and contain
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invisible character seqeuences.
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i. Fixed several bugs in cursor positioning when displaying lines with prompts
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containing invisible characters and multibyte characters.
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j. When performing case-insensitive completion, Readline no longer sorts the
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list of matches unless directed to do so.
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k. Fixed a problem with key sequences ending with a backslash.
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l. Fixed out-of-bounds and free memory read errors found via fuzzing.
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m. Fixed several cases where the mark was set to an invalid value.
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n. Fixed a problem with the case-changing operators in the case where the
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lower and upper case versions of a character do not have the same number
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of bytes.
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o. Handle incremental and non-incremental search character reads returning EOF.
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p. Handle the case where a failing readline command at the end of a multi-key
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sequence could be misinterpreted.
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q. The history library now prints a meaningful error message if the history
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file isn't a regular file.
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r. Fixed a problem with vi-mode redo (`.') on a command when trying to replace
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a multibyte character.
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s. The key binding code now attempts to remove a keymap if a key unbinding
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leaves it empty.
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t. Fixed a line-wrapping issue that caused problems for some terminal
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emulators.
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u. If there is a key bound to the tty's VDISCARD special character, readline
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disables VDISCARD while it is active.
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v. Fixed a problem with exiting bracketed paste mode on terminals that assume
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the bracketed paste mode character sequence contains visible characters.
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w. Fixed a bug that could cause a key binding command to refer to an
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uninitialized variable.
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x. Added more UTF-8-specific versions of multibyte functions, and optimized
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existing functions if the current locale uses UTF-8 encoding.
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y. Fixed a problem with bracketed-paste inserting more than one character and
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interacting with other readline functions.
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z. Fixed a bug that caused the history library to attempt to append a history
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line to a non-existent history entry.
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aa. If using bracketed paste mode, output a newline after the \r that is the
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last character of the mode disable string to avoid overwriting output.
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bb. Fixes to the vi-mode `b', `B', `w', `W', `e', and `E' commands to better
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handle multibyte characters.
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cc. Fixed a redisplay problem that caused an extra newline to be generated on
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accept-line when the line length is exactly the screenwidth.
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dd. Fixed a bug with adding multibyte characters to an incremental search
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string.
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ee. Fixed a bug with redoing text insertions in vi mode.
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ff. Fixed a bug with pasting text into an incremental search string if bracketed
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paste mode is enabled. ESC cannot be one of the incremental search
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terminator characters for this to work.
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gg. Fixed a bug with anchored search patterns when performing searches in vi
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mode.
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2. New Features in Readline
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a. Non-incremental vi-mode search (`N', `n') can search for a shell pattern, as
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Posix specifies (uses fnmatch(3) if available).
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b. There are new `next-screen-line' and `previous-screen-line' bindable
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commands, which move the cursor to the same column in the next, or previous,
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physical line, respectively.
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c. There are default key bindings for control-arrow-key key combinations.
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d. A negative argument (-N) to `quoted-insert' means to insert the next N
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characters using quoted-insert.
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e. New public function: rl_check_signals(), which allows applications to
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respond to signals that readline catches while waiting for input using
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a custom read function.
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f. There is new support for conditionally testing the readline version in an
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inputrc file, with a full set of arithmetic comparison operators available.
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g. There is a simple variable comparison facility available for use within an
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inputrc file. Allowable operators are equality and inequality; string
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variables may be compared to a value; boolean variables must be compared to
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either `on' or `off'; variable names are separated from the operator by
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whitespace.
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h. The history expansion library now understands command and process
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substitution and extended globbing and allows them to appear anywhere in a
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word.
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i. The history library has a new variable that allows applications to set the
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initial quoting state, so quoting state can be inherited from a previous
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line.
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j. Readline now allows application-defined keymap names; there is a new public
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function, rl_set_keymap_name(), to do that.
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k. The "Insert" keypad key, if available, now puts readline into overwrite
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mode.
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-------------------------------------------------------------------------------
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This document details the changes between this version, readline-7.0, and the
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previous version, readline-6.3.
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1. Changes to Readline
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a. A bug that caused vi-mode `.' to be unable to redo `c', `d', and `y'
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commands with modifiers was fixed.
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b. Fixed a bug that caused callback mode to dump core when reading a
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multiple-key sequence (e.g., arrow keys).
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c. Fixed a bug that caused the redisplay code to erase some of the line when
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using horizontal scrolling with incremental search.
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d. Readline's input handler now performs signal processing if read(2) is
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interrupted by SIGALRM or SIGVTALRM.
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e. Fixed a problem with revert-all-at-newline freeing freed memory.
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f. Clarified the documentation for the history_quotes_inhibit_expansion
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variable to note that it inhibits scanning for the history comment
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character and that it only affects double-quoted strings.
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g. Fixed an off-by-one error in the prompt printed when performing searches.
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h. Use pselect(2), if available, to wait for input before calling read(2), so
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a SIGWINCH can interrupt it, since it doesn't interrupt read(2).
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i. Some memory leaks caused by signals interrupting filename completion have
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been fixed.
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j. Reading EOF twice on a non-empty line causes EOF to be returned, rather
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than the partial line. This can cause partial lines to be executed on
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SIGHUP, for example.
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k. Fixed a bug concerning deleting multibyte characters from the search
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string while performing an incremental search.
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l. Fixed a bug with tilde expanding directory names in filename completion.
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m. Fixed a bug that did not allow binding sequences beginning with a `\'.
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n. Fixed a redisplay bug involving incorrect line wrapping when the prompt
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contains a multibyte character in the last screen column.
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o. Fixed a bug that caused history expansion to disregard characters that are
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documented to delimit a history event specifier without requiring `:'.
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p. Fixed a bug that could cause reading past the end of a string when reading
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the value when binding the set of isearch terminators.
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q. Fixed a bug that caused readline commands that depend on knowing which
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key invoked them to misbehave when dispatching key sequences that are
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prefixes of other key bindings.
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r. Paren matching now works in vi insert mode.
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s. Colored completion prefixes are now displayed using a different color, less
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likely to collide with files.
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t. Fixed a bug that caused vi-mode character search to misbehave when
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running in callback mode.
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u. Fixed a bug that caused output to be delayed when input is coming from a
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macro in vi-mode.
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v. Fixed a bug that caused the vi-mode `.' command to misbehave when redoing
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a multi-key key sequence via a macro.
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w. Fixed a bug that caused problems with applications that supply their own
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input function when performing completion.
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x. When read returns -1/EIO when attempting to read a key, return an error
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instead of line termination back to the caller.
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y. Updated tty auditing feature based on patch from Red Hat.
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z. Fixed a bug that could cause the history library to crash on overflows
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introduced by malicious editing of timestamps in the history file.
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aa. The history file writing functions only attempt to create and use a backup
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history file if the history file exists and is a regular file.
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bb. Fixed an out-of-bounds read in readline's internal tilde expansion interface.
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cc. Fixed several redisplay bugs with prompt strings containing multibyte
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and non-visible characters whose physical length is longer than the screen
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width.
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dd. Fixed a redisplay bug with prompt strings containing invisible characters
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whose physical length exceeds the screen width and using incremental search.
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ee. Readline prints more descriptive error messages when it encounters errors
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while reading an inputrc file.
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ff. Fixed a bug in the character insertion code that attempts to optimize
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typeahead when it reads a character that is not bound to self-insert and
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resets the key sequence state.
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gg. When refreshing the line as the result of a key sequence, Readline attempts
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to redraw only the last line of a multiline prompt.
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hh. Fixed an issue that caused completion of git commands to display
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incorrectly when using colored-completion-prefix.
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ii. Fixed several redisplay bugs having to do with multibyte characters and
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invisible characters in prompt strings.
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jj. Fixed a bug that caused mode strings to be displayed incorrectly if the
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prompt was shorter than the mode string.
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2. New Features in Readline
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a. The history truncation code now uses the same error recovery mechansim as
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the history writing code, and restores the old version of the history file
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on error. The error recovery mechanism handles symlinked history files.
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b. There is a new bindable variable, `enable-bracketed-paste', which enables
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support for a terminal's bracketed paste mode.
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c. The editing mode indicators can now be strings and are user-settable
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(new `emacs-mode-string', `vi-cmd-mode-string' and `vi-ins-mode-string'
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variables). Mode strings can contain invisible character sequences.
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Setting mode strings to null strings restores the defaults.
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d. Prompt expansion adds the mode string to the last line of a multi-line
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prompt (one with embedded newlines).
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e. There is a new bindable variable, `colored-completion-prefix', which, if
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set, causes the common prefix of a set of possible completions to be
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displayed in color.
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f. There is a new bindable command `vi-yank-pop', a vi-mode version of emacs-
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mode yank-pop.
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g. The redisplay code underwent several efficiency improvements for multibyte
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locales.
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h. The insert-char function attempts to batch-insert all pending typeahead
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that maps to self-insert, as long as it is coming from the terminal.
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i. rl_callback_sigcleanup: a new application function that can clean up and
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unset any state set by readline's callback mode. Intended to be used
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after a signal.
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j. If an incremental search string has its last character removed with DEL, the
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resulting empty search string no longer matches the previous line.
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k. If readline reads a history file that begins with `#' (or the value of
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the history comment character) and has enabled history timestamps, the history
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entries are assumed to be delimited by timestamps. This allows multi-line
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history entries.
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l. Readline now throws an error if it parses a key binding without a terminating
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`:' or whitespace.
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m. The default binding for ^W in vi mode now uses word boundaries specified
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by Posix (vi-unix-word-rubout is bindable command name).
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n. rl_clear_visible_line: new application-callable function; clears all
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screen lines occupied by the current visible readline line.
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o. rl_tty_set_echoing: application-callable function that controls whether
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or not readline thinks it is echoing terminal output.
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p. Handle >| and strings of digits preceding and following redirection
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specifications as single tokens when tokenizing the line for history
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expansion.
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q. Fixed a bug with displaying completions when the prefix display length
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is greater than the length of the completions to be displayed.
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r. The :p history modifier now applies to the entire line, so any expansion
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specifying :p causes the line to be printed instead of expanded.
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s. New application-callable function: rl_pending_signal(): returns the signal
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number of any signal readline has caught but not yet handled.
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t. New application-settable variable: rl_persistent_signal_handlers: if set
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to a non-zero value, readline will enable the readline-6.2 signal handler
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behavior in callback mode: handlers are installed when
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rl_callback_handler_install is called and removed removed when a complete
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line has been read.
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-------------------------------------------------------------------------------
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This document details the changes between this version, readline-6.3, and the
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previous version, readline-6.2.
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1. Changes to Readline
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a. Fixed a bug that did not allow the `dd', `cc', or `yy' vi editing mode
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commands to work on the entire line.
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b. Fixed a bug that caused redisplay problems with prompts longer than 128
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characters and history searches.
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c. Fixed a bug that caused readline to try and run code to modify its idea
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of the screen size in a signal handler context upon receiving a SIGWINCH.
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d. Fixed a bug that caused the `meta' key to be enabled beyond the duration
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of an individual call top readline().
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e. Added a workaround for a wcwidth bug in Mac OS X that caused readline's
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redisplay to mishandle zero-width combining characters.
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f. Fixed a bug that caused readline to `forget' part of a key sequence when
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a multiple-key sequence caused it to break out of an incremental search.
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g. Fixed bugs that caused readline to execute code in a signal handler
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context if interrupted while reading from the file system during completion.
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h. Fixed a bug that caused readline to `forget' part of a key sequence when
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reading an unbound multi-character key sequence.
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i. Fixed a bug that caused Readline's signal handlers to be installed beyond
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the bounds of a single call to readline().
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j. Fixed a bug that caused the `.' command to not redo the most recent `R'
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command in vi mode.
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k. Fixed a bug that caused ignoring case in completion matches to result in
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readline using the wrong match.
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l. Paren matching now works in vi insert mode.
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m. Fix menu-completion to make show-all-if-ambiguous and menu-complete-display-prefix
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work together.
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n. Fixed a bug that didn't allow the `cc', `dd', or `yy' commands to be redone
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in vi editing mode.
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o. Fixed a bug that caused the filename comparison code to not compare
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multibyte characters correctly when using case-sensitive or case-mapping
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comparisons.
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p. Fixed the input reading loop to call the input hook function only when there
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is no terminal input available.
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q. Fixed a bug that caused binding a macro to a multi-character key sequence
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where the sequence and macro value share a common prefix to not perform
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the macro replacement.
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r. Fixed several redisplay errors with multibyte characters and prompts
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containing invisible characters when using horizontal scrolling.
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s. Fixed a bug that caused redisplay errors when trying to overwrite
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existing characters using multibyte characters.
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t. Fixed a bug in vi mode that caused the arrow keys to set the saved last
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vi-mode command to the wrong value.
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u. Fixed a bug that caused double-quoted strings to be scanned incorrectly
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when being used as the value of a readline variable assignment.
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v. Fixed a bug with vi mode that prevented `.' from repeating a command
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entered on a previous line (command).
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w. Fixed a bug that could cause completion to core dump if it was interrupted
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by a signal.
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x. Fixed a bug that could cause readline to crash and seg fault attempting to
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expand an empty history entry.
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y. Fixed a bug that caused display problems with multi-line prompts containing
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invisible characters on multiple lines.
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z. Fixed a bug that caused effects made by undoing changes to a history line to
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be discarded.
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2. New Features in Readline
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a. Readline is now more responsive to SIGHUP and other fatal signals when
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reading input from the terminal or performing word completion but no
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longer attempts to run any not-allowable functions from a signal handler
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context.
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b. There are new bindable commands to search the history for the string of
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characters between the beginning of the line and the point
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(history-substring-search-forward, history-substring-search-backward)
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c. Readline allows quoted strings as the values of variables when setting
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them with `set'. As a side effect, trailing spaces and tabs are ignored
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when setting a string variable's value.
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d. The history library creates a backup of the history file when writing it
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and restores the backup on a write error.
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e. New application-settable variable: rl_filename_stat_hook: a function called
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with a filename before using it in a call to stat(2). Bash uses it to
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expand shell variables so things like $HOME/Downloads have a slash
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appended.
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f. New bindable function `print-last-kbd-macro', prints the most-recently-
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defined keyboard macro in a reusable format.
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g. New user-settable variable `colored-stats', enables use of colored text
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to denote file types when displaying possible completions (colored analog
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of visible-stats).
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h. New user-settable variable `keyseq-timout', acts as an inter-character
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timeout when reading input or incremental search strings.
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i. New application-callable function: rl_clear_history. Clears the history list
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and frees all readline-associated private data.
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j. New user-settable variable, show-mode-in-prompt, adds a characters to the
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beginning of the prompt indicating the current editing mode.
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k. New application-settable variable: rl_input_available_hook; function to be
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called when readline needs to check whether there is data available on its
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input source. The default hook checks rl_instream.
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l. Readline calls an application-set event hook (rl_signal_event_hook) after
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it gets a signal while reading input (read returns -1/EINTR but readline
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does not handle the signal immediately) to allow the application to handle
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or otherwise note it. Not currently called for SIGHUP or SIGTERM.
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m. If the user-settable variable `history-size' is set to a value less than
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0, the history list size is unlimited.
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n. When creating shared libraries on Mac OS X, the pathname written into the
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library (install_name) no longer includes the minor version number.
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-------------------------------------------------------------------------------
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|
This document details the changes between this version, readline-6.2,
|
|
and the previous version, readline-6.1.
|
|
|
|
1. Changes to Readline
|
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|
a. Fixed a bug that caused the unconverted filename to be added to the list of
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completions when the application specified filename conversion functions.
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b. Fixed a bug that caused the wrong filename to be passed to opendir when the
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application has specified a filename dequoting function.
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c. Fixed a bug when repeating a character search in vi mode in the case where
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there was no search to repeat.
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d. When show-all-if-ambiguous is set, the completion routines no longer insert
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a common match prefix that is shorter than the text being completed.
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e. The full set of vi editing commands may now be used in callback mode.
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f. Fixed a bug that caused readline to not update its idea of the terminal
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dimensions while running in `no-echo' mode.
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h. Fixed a bug that caused readline to dump core if an application called
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rl_prep_terminal without setting rl_instream.
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i. Fixed a bug that caused meta-prefixed characters bound to incremental
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|
search forward or backward to not be recognized if they were typed
|
|
subsequently.
|
|
|
|
j. The incremental search code treats key sequences that map to the same
|
|
functions as (default) ^G, ^W, and ^Y as equivalent to those characters.
|
|
|
|
k. Fixed a bug in menu-complete that caused it to misbehave with large
|
|
negative argument.
|
|
|
|
l. Fixed a bug that caused vi-mode yank-last-arg to ring the bell when invoked
|
|
at the end of the line.
|
|
|
|
m. Fixed a bug that made an explicit argument of 0 to yank-last-arg behave
|
|
as if it were a negative argument.
|
|
|
|
n. Fixed a bug that caused directory names in words to be completed to not
|
|
be dequoted correctly.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. The history library does not try to write the history filename in the
|
|
current directory if $HOME is unset. This closes a potential security
|
|
problem if the application does not specify a history filename.
|
|
|
|
b. New bindable variable `completion-display-width' to set the number of
|
|
columns used when displaying completions.
|
|
|
|
c. New bindable variable `completion-case-map' to cause case-insensitive
|
|
completion to treat `-' and `_' as identical.
|
|
|
|
d. There are new bindable vi-mode command names to avoid readline's case-
|
|
insensitive matching not allowing them to be bound separately.
|
|
|
|
e. New bindable variable `menu-complete-display-prefix' causes the menu
|
|
completion code to display the common prefix of the possible completions
|
|
before cycling through the list, instead of after.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-6.1,
|
|
and the previous version, readline-6.0.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. The SIGWINCH signal handler now avoids calling the redisplay code if
|
|
one arrives while in the middle of redisplay.
|
|
|
|
b. Changes to the timeout code to make sure that timeout values greater
|
|
than one second are handled better.
|
|
|
|
c. Fixed a bug in the redisplay code that was triggered by a prompt
|
|
containing invisible characters exactly the width of the screen.
|
|
|
|
d. Fixed a bug in the redisplay code encountered when running in horizontal
|
|
scroll mode.
|
|
|
|
e. Fixed a bug that prevented menu completion from properly completing
|
|
filenames.
|
|
|
|
f. Fixed a redisplay bug caused by a multibyte character causing a line to
|
|
wrap.
|
|
|
|
g. Fixed a bug that caused key sequences of two characters to not be
|
|
recognized when a longer sequence identical in the first two characters
|
|
was bound.
|
|
|
|
h. Fixed a bug that caused history expansion to be attempted on $'...'
|
|
single-quoted strings.
|
|
|
|
i. Fixed a bug that caused incorrect redisplay when the prompt contained
|
|
multibyte characters in an `invisible' sequence bracketed by \[ and
|
|
\].
|
|
|
|
j. Fixed a bug that caused history expansion to short-circuit after
|
|
encountering a multibyte character.
|
|
|
|
k. Fixed a bug that caused applications using the callback interface to not
|
|
react to SIGINT (or other signals) until another character arrived.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. New bindable function: menu-complete-backward.
|
|
|
|
b. In the vi insertion keymap, C-n is now bound to menu-complete by default,
|
|
and C-p to menu-complete-backward.
|
|
|
|
c. When in vi command mode, repeatedly hitting ESC now does nothing, even
|
|
when ESC introduces a bound key sequence. This is closer to how
|
|
historical vi behaves.
|
|
|
|
d. New bindable function: skip-csi-sequence. Can be used as a default to
|
|
consume key sequences generated by keys like Home and End without having
|
|
to bind all keys.
|
|
|
|
e. New application-settable function: rl_filename_rewrite_hook. Can be used
|
|
to rewite or modify filenames read from the file system before they are
|
|
compared to the word to be completed.
|
|
|
|
f. New bindable variable: skip-completed-text, active when completing in the
|
|
middle of a word. If enabled, it means that characters in the completion
|
|
that match characters in the remainder of the word are "skipped" rather
|
|
than inserted into the line.
|
|
|
|
g. The pre-readline-6.0 version of menu completion is available as
|
|
"old-menu-complete" for users who do not like the readline-6.0 version.
|
|
|
|
h. New bindable variable: echo-control-characters. If enabled, and the
|
|
tty ECHOCTL bit is set, controls the echoing of characters corresponding
|
|
to keyboard-generated signals.
|
|
|
|
i. New bindable variable: enable-meta-key. Controls whether or not readline
|
|
sends the smm/rmm sequences if the terminal indicates it has a meta key
|
|
that enables eight-bit characters.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-6.0,
|
|
and the previous version, readline-5.2.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Fixed a number of redisplay errors in environments supporting multibyte
|
|
characters.
|
|
|
|
b. Fixed bugs in vi command mode that caused motion commands to inappropriately
|
|
set the mark.
|
|
|
|
c. When using the arrow keys in vi insertion mode, readline allows movement
|
|
beyond the current end of the line (unlike command mode).
|
|
|
|
d. Fixed bugs that caused readline to loop when the terminal has been taken
|
|
away and reads return -1/EIO.
|
|
|
|
e. Fixed bugs in redisplay occurring when displaying prompts containing
|
|
invisible characters.
|
|
|
|
f. Fixed a bug that caused the completion append character to not be reset to
|
|
the default after an application-specified completion function changed it.
|
|
|
|
g. Fixed a problem that caused incorrect positioning of the cursor while in
|
|
emacs editing mode when moving forward at the end of a line while using
|
|
a locale supporting multibyte characters.
|
|
|
|
h. Fixed an off-by-one error that caused readline to drop every 511th
|
|
character of buffered input.
|
|
|
|
i. Fixed a bug that resulted in SIGTERM not being caught or cleaned up.
|
|
|
|
j. Fixed redisplay bugs caused by multiline prompts with invisible characters
|
|
or no characters following the final newline.
|
|
|
|
k. Fixed redisplay bug caused by prompts consisting solely of invisible
|
|
characters.
|
|
|
|
l. Fixed a bug in the code that buffers characters received very quickly in
|
|
succession which caused characters to be dropped.
|
|
|
|
m. Fixed a bug that caused readline to reference uninitialized data structures
|
|
if it received a SIGWINCH before completing initialzation.
|
|
|
|
n. Fixed a bug that caused the vi-mode `last command' to be set incorrectly
|
|
and therefore unrepeatable.
|
|
|
|
o. Fixed a bug that caused readline to disable echoing when it was being used
|
|
with an output file descriptor that was not a terminal.
|
|
|
|
p. Readline now blocks SIGINT while manipulating internal data structures
|
|
during redisplay.
|
|
|
|
q. Fixed a bug in redisplay that caused readline to segfault when pasting a
|
|
very long line (over 130,000 characters).
|
|
|
|
r. Fixed bugs in redisplay when using prompts with no visible printing
|
|
characters.
|
|
|
|
s. Fixed a bug that caused redisplay errors when using prompts with invisible
|
|
characters and numeric arguments to a command in a multibyte locale.
|
|
|
|
t. Fixed a bug that caused redisplay errors when using prompts with invisible
|
|
characters spanning more than two physical screen lines.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. A new variable, rl_sort_completion_matches; allows applications to inhibit
|
|
match list sorting (but beware: some things don't work right if
|
|
applications do this).
|
|
|
|
b. A new variable, rl_completion_invoking_key; allows applications to discover
|
|
the key that invoked rl_complete or rl_menu_complete.
|
|
|
|
c. The functions rl_block_sigint and rl_release_sigint are now public and
|
|
available to calling applications who want to protect critical sections
|
|
(like redisplay).
|
|
|
|
d. The functions rl_save_state and rl_restore_state are now public and
|
|
available to calling applications; documented rest of readline's state
|
|
flag values.
|
|
|
|
e. A new user-settable variable, `history-size', allows setting the maximum
|
|
number of entries in the history list.
|
|
|
|
f. There is a new implementation of menu completion, with several improvements
|
|
over the old; the most notable improvement is a better `completions
|
|
browsing' mode.
|
|
|
|
g. The menu completion code now uses the rl_menu_completion_entry_function
|
|
variable, allowing applications to provide their own menu completion
|
|
generators.
|
|
|
|
h. There is support for replacing a prefix of a pathname with a `...' when
|
|
displaying possible completions. This is controllable by setting the
|
|
`completion-prefix-display-length' variable. Matches with a common prefix
|
|
longer than this value have the common prefix replaced with `...'.
|
|
|
|
i. There is a new `revert-all-at-newline' variable. If enabled, readline will
|
|
undo all outstanding changes to all history lines when `accept-line' is
|
|
executed.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-5.2,
|
|
and the previous version, readline-5.1.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Fixed a problem that caused segmentation faults when using readline in
|
|
callback mode and typing consecutive DEL characters on an empty line.
|
|
|
|
b. Fixed several redisplay problems with multibyte characters, all having to
|
|
do with the different code paths and variable meanings between single-byte
|
|
and multibyte character redisplay.
|
|
|
|
c. Fixed a problem with key sequence translation when presented with the
|
|
sequence \M-\C-x.
|
|
|
|
d. Fixed a problem that prevented the `a' command in vi mode from being
|
|
undone and redone properly.
|
|
|
|
e. Fixed a problem that prevented empty inserts in vi mode from being undone
|
|
properly.
|
|
|
|
f. Fixed a problem that caused readline to initialize with an incorrect idea
|
|
of whether or not the terminal can autowrap.
|
|
|
|
g. Fixed output of key bindings (like bash `bind -p') to honor the setting of
|
|
convert-meta and use \e where appropriate.
|
|
|
|
h. Changed the default filename completion function to call the filename
|
|
dequoting function if the directory completion hook isn't set. This means
|
|
that any directory completion hooks need to dequote the directory name,
|
|
since application-specific hooks need to know how the word was quoted,
|
|
even if no other changes are made.
|
|
|
|
i. Fixed a bug with creating the prompt for a non-interactive search string
|
|
when there are non-printing characters in the primary prompt.
|
|
|
|
j. Fixed a bug that caused prompts with invisible characters to be redrawn
|
|
multiple times in a multibyte locale.
|
|
|
|
k. Fixed a bug that could cause the key sequence scanning code to return the
|
|
wrong function.
|
|
|
|
l. Fixed a problem with the callback interface that caused it to fail when
|
|
using multi-character keyboard macros.
|
|
|
|
m. Fixed a bug that could cause a core dump when an edited history entry was
|
|
re-executed under certain conditions.
|
|
|
|
n. Fixed a bug that caused readline to reference freed memory when attmpting
|
|
to display a portion of the prompt.
|
|
|
|
o. Fixed a bug with prompt redisplay in a multi-byte locale to avoid redrawing
|
|
the prompt and input line multiple times.
|
|
|
|
p. Fixed history expansion to not be confused by here-string redirection.
|
|
|
|
q. Readline no longer treats read errors by converting them to newlines, as
|
|
it does with EOF. This caused partial lines to be returned from readline().
|
|
|
|
r. Fixed a redisplay bug that occurred in multibyte-capable locales when the
|
|
prompt was one character longer than the screen width.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. Calling applications can now set the keyboard timeout to 0, allowing
|
|
poll-like behavior.
|
|
|
|
b. The value of SYS_INPUTRC (configurable at compilation time) is now used as
|
|
the default last-ditch startup file.
|
|
|
|
c. The history file reading functions now allow windows-like \r\n line
|
|
terminators.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-5.1,
|
|
and the previous version, readline-5.0.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Fixed a bug that caused multiliine prompts to be wrapped and displayed
|
|
incorrectly.
|
|
|
|
b. Fixed a bug that caused ^P/^N in emacs mode to fail to display the current
|
|
line correctly.
|
|
|
|
c. Fixed a problem in computing the number of invisible characters on the first
|
|
line of a prompt whose length exceeds the screen width.
|
|
|
|
d. Fixed vi-mode searching so that failure preserves the current line rather
|
|
than the last line in the history list.
|
|
|
|
e. Fixed the vi-mode `~' command (change-case) to have the correct behavior at
|
|
end-of-line when manipulating multibyte characters.
|
|
|
|
f. Fixed the vi-mode `r' command (change-char) to have the correct behavior at
|
|
end-of-line when manipulating multibyte characters.
|
|
|
|
g. Fixed multiple bugs in the redisplay of multibyte characters: displaying
|
|
prompts longer than the screen width containing multibyte characters,
|
|
|
|
h. Fix the calculation of the number of physical characters in the prompt
|
|
string when it contains multibyte characters.
|
|
|
|
i. A non-zero value for the `rl_complete_suppress_append' variable now causes
|
|
no `/' to be appended to a directory name.
|
|
|
|
j. Fixed forward-word and backward-word to work when words contained
|
|
multibyte characters.
|
|
|
|
k. Fixed a bug in finding the delimiter of a `?' substring when performing
|
|
history expansion in a locale that supports multibyte characters.
|
|
|
|
l. Fixed a memory leak caused by not freeing the timestamp in a history entry.
|
|
|
|
m. Fixed a bug that caused "\M-x" style key bindings to not obey the setting
|
|
of the `convert-meta' variable.
|
|
|
|
n. Fixed saving and restoring primary prompt when prompting for incremental
|
|
and non-incremental searches; search prompts now display multibyte
|
|
characters correctly.
|
|
|
|
o. Fixed a bug that caused keys originally bound to self-insert but shadowed
|
|
by a multi-character key sequence to not be inserted.
|
|
|
|
p. Fixed code so rl_prep_term_function and rl_deprep_term_function aren't
|
|
dereferenced if NULL (matching the documentation).
|
|
|
|
q. Extensive changes to readline to add enough state so that commands
|
|
requiring additional characters (searches, multi-key sequences, numeric
|
|
arguments, commands requiring an additional specifier character like
|
|
vi-mode change-char, etc.) work without synchronously waiting for
|
|
additional input.
|
|
|
|
r. Lots of changes so readline builds and runs on MinGW.
|
|
|
|
s. Readline no longer tries to modify the terminal settings when running in
|
|
callback mode.
|
|
|
|
t. The Readline display code no longer sets the location of the last invisible
|
|
character in the prompt if the \[\] sequence is empty.
|
|
|
|
u. The `change-case' command now correctly changes the case of multibyte
|
|
characters.
|
|
|
|
v. Changes to the shared library construction scripts to deal with Windows
|
|
DLL naming conventions for Cygwin.
|
|
|
|
w. Fixed the redisplay code to avoid core dumps resulting from a poorly-timed
|
|
SIGWINCH.
|
|
|
|
x. Fixed the non-incremental search code in vi mode to dispose of any current
|
|
undo list when copying a line from the history into the current editing
|
|
buffer.
|
|
|
|
y. Fixed a bug that caused reversing the incremental search direction to
|
|
not work correctly.
|
|
|
|
z. Fixed the vi-mode `U' command to only undo up to the first time insert mode
|
|
was entered, as Posix specifies.
|
|
|
|
aa. Fixed a bug in the vi-mode `r' command that left the cursor in the wrong
|
|
place.
|
|
|
|
bb. Fixed a redisplay bug caused by moving the cursor vertically to a line
|
|
with invisible characters in the prompt in a multibyte locale.
|
|
|
|
cc. Fixed a bug that could cause the terminal special chars to be bound in the
|
|
wrong keymap in vi mode.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. The key sequence sent by the keypad `delete' key is now automatically
|
|
bound to delete-char.
|
|
|
|
b. A negative argument to menu-complete now cycles backward through the
|
|
completion list.
|
|
|
|
c. A new bindable readline variable: bind-tty-special-chars. If non-zero,
|
|
readline will bind the terminal special characters to their readline
|
|
equivalents when it's called (on by default).
|
|
|
|
d. New bindable command: vi-rubout. Saves deleted text for possible
|
|
reinsertion, as with any vi-mode `text modification' command; `X' is bound
|
|
to this in vi command mode.
|
|
|
|
e. If the rl_completion_query_items is set to a value < 0, readline never
|
|
asks the user whether or not to view the possible completions.
|
|
|
|
f. The `C-w' binding in incremental search now understands multibyte
|
|
characters.
|
|
|
|
g. New application-callable auxiliary function, rl_variable_value, returns
|
|
a string corresponding to a readline variable's value.
|
|
|
|
h. When parsing inputrc files and variable binding commands, the parser
|
|
strips trailing whitespace from values assigned to boolean variables
|
|
before checking them.
|
|
|
|
i. A new external application-controllable variable that allows the LINES
|
|
and COLUMNS environment variables to set the window size regardless of
|
|
what the kernel returns.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-5.0,
|
|
and the previous version, readline-4.3.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Fixes to avoid core dumps because of null pointer references in the
|
|
multibyte character code.
|
|
|
|
b. Fix to avoid infinite recursion caused by certain key combinations.
|
|
|
|
c. Fixed a bug that caused the vi-mode `last command' to be set incorrectly.
|
|
|
|
d. Readline no longer tries to read ahead more than one line of input, even
|
|
when more is available.
|
|
|
|
e. Fixed the code that adjusts the point to not mishandle null wide
|
|
characters.
|
|
|
|
f. Fixed a bug in the history expansion `g' modifier that caused it to skip
|
|
every other match.
|
|
|
|
g. Fixed a bug that caused the prompt to overwrite previous output when the
|
|
output doesn't contain a newline and the locale supports multibyte
|
|
characters. This same change fixes the problem of readline redisplay
|
|
slowing down dramatically as the line gets longer in multibyte locales.
|
|
|
|
h. History traversal with arrow keys in vi insertion mode causes the cursor
|
|
to be placed at the end of the new line, like in emacs mode.
|
|
|
|
i. The locale initialization code does a better job of using the right
|
|
precedence and defaulting when checking the appropriate environment
|
|
variables.
|
|
|
|
j. Fixed the history word tokenizer to handle <( and >( better when used as
|
|
part of bash.
|
|
|
|
k. The overwrite mode code received several bug fixes to improve undo.
|
|
|
|
l. Many speedups to the multibyte character redisplay code.
|
|
|
|
m. The callback character reading interface should not hang waiting to read
|
|
keyboard input.
|
|
|
|
n. Fixed a bug with redoing vi-mode `s' command.
|
|
|
|
o. The code that initializes the terminal tracks changes made to the terminal
|
|
special characters with stty(1) (or equivalent), so that these changes
|
|
are reflected in the readline bindings. New application-callable function
|
|
to make it work: rl_tty_unset_default_bindings().
|
|
|
|
p. Fixed a bug that could cause garbage to be inserted in the buffer when
|
|
changing character case in vi mode when using a multibyte locale.
|
|
|
|
q. Fixed a bug in the redisplay code that caused problems on systems
|
|
supporting multibyte characters when moving between history lines when the
|
|
new line has more glyphs but fewer bytes.
|
|
|
|
r. Undo and redo now work better after exiting vi insertion mode.
|
|
|
|
s. Make sure system calls are restarted after a SIGWINCH is received using
|
|
SA_RESTART.
|
|
|
|
t. Improvements to the code that displays possible completions when using
|
|
multibyte characters.
|
|
|
|
u. Fixed a problem when parsing nested if statements in inputrc files.
|
|
|
|
v. The completer now takes multibyte characters into account when looking for
|
|
quoted substrings on which to perform completion.
|
|
|
|
w. The history search functions now perform better bounds checking on the
|
|
history list.
|
|
|
|
x. Change to history expansion functions to treat `^' as equivalent to word
|
|
one, as the documention states.
|
|
|
|
y. Some changes to the display code to improve display and redisplay of
|
|
multibyte characters.
|
|
|
|
z. Changes to speed up the multibyte character redisplay code.
|
|
|
|
aa. Fixed a bug in the vi-mode `E' command that caused it to skip over the
|
|
last character of a word if invoked while point was on the word's
|
|
next-to-last character.
|
|
|
|
bb. Fixed a bug that could cause incorrect filename quoting when
|
|
case-insensitive completion was enabled and the word being completed
|
|
contained backslashes quoting word break characters.
|
|
|
|
cc. Fixed a bug in redisplay triggered when the prompt string contains
|
|
invisible characters.
|
|
|
|
dd. Fixed some display (and other) bugs encountered in multibyte locales
|
|
when a non-ascii character was the last character on a line.
|
|
|
|
ee. Fixed some display bugs caused by multibyte characters in prompt strings.
|
|
|
|
ff. Fixed a problem with history expansion caused by non-whitespace characters
|
|
used as history word delimiters.
|
|
|
|
gg. Fixed a problem that could cause readline to refer to freed memory when
|
|
moving between history lines while doing searches.
|
|
|
|
hh. Improvements to the code that expands and displays prompt strings
|
|
containing multibyte characters.
|
|
|
|
ii. Fixed a problem with vi-mode not correctly remembering the numeric argument
|
|
to the last `c'hange command for later use with `.'.
|
|
|
|
jj. Fixed a bug in vi-mode that caused multi-digit count arguments to work
|
|
incorrectly.
|
|
|
|
kk. Fixed a problem in vi-mode that caused the last text modification command
|
|
to not be remembered across different command lines.
|
|
|
|
ll. Fixed problems with changing characters and changing case at the end of
|
|
the line.
|
|
|
|
mm. Fixed a problem with readline saving the contents of the current line
|
|
before beginning a non-interactive search.
|
|
|
|
nn. Fixed a problem with EOF detection when using rl_event_hook.
|
|
|
|
oo. Fixed a problem with the vi mode `p' and `P' commands ignoring numeric
|
|
arguments.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. History expansion has a new `a' modifier equivalent to the `g' modifier
|
|
for compatibility with the BSD csh.
|
|
|
|
b. History expansion has a new `G' modifier equivalent to the BSD csh `g'
|
|
modifier, which performs a substitution once per word.
|
|
|
|
c. All non-incremental search operations may now undo the operation of
|
|
replacing the current line with the history line.
|
|
|
|
d. The text inserted by an `a' command in vi mode can be reinserted with
|
|
`.'.
|
|
|
|
e. New bindable variable, `show-all-if-unmodified'. If set, the readline
|
|
completer will list possible completions immediately if there is more
|
|
than one completion and partial completion cannot be performed.
|
|
|
|
f. There is a new application-callable `free_history_entry()' function.
|
|
|
|
g. History list entries now contain timestamp information; the history file
|
|
functions know how to read and write timestamp information associated
|
|
with each entry.
|
|
|
|
h. Four new key binding functions have been added:
|
|
|
|
rl_bind_key_if_unbound()
|
|
rl_bind_key_if_unbound_in_map()
|
|
rl_bind_keyseq_if_unbound()
|
|
rl_bind_keyseq_if_unbound_in_map()
|
|
|
|
i. New application variable, rl_completion_quote_character, set to any
|
|
quote character readline finds before it calls the application completion
|
|
function.
|
|
|
|
j. New application variable, rl_completion_suppress_quote, settable by an
|
|
application completion function. If set to non-zero, readline does not
|
|
attempt to append a closing quote to a completed word.
|
|
|
|
k. New application variable, rl_completion_found_quote, set to a non-zero
|
|
value if readline determines that the word to be completed is quoted.
|
|
Set before readline calls any application completion function.
|
|
|
|
l. New function hook, rl_completion_word_break_hook, called when readline
|
|
needs to break a line into words when completion is attempted. Allows
|
|
the word break characters to vary based on position in the line.
|
|
|
|
m. New bindable command: unix-filename-rubout. Does the same thing as
|
|
unix-word-rubout, but adds `/' to the set of word delimiters.
|
|
|
|
n. When listing completions, directories have a `/' appended if the
|
|
`mark-directories' option has been enabled.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.3,
|
|
and the previous version, readline-4.2a.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Fixed output of comment-begin character when listing variable values.
|
|
|
|
b. Added some default key bindings for common escape sequences produced by
|
|
HOME and END keys.
|
|
|
|
c. Fixed the mark handling code to be more emacs-compatible.
|
|
|
|
d. A bug was fixed in the code that prints possible completions to keep it
|
|
from printing empty strings in certain circumstances.
|
|
|
|
e. Change the key sequence printing code to print ESC as M\- if ESC is a
|
|
meta-prefix character -- it's easier for users to understand than \e.
|
|
|
|
f. Fixed unstifle_history() to return values that match the documentation.
|
|
|
|
g. Fixed the event loop (rl_event_hook) to handle the case where the input
|
|
file descriptor is invalidated.
|
|
|
|
h. Fixed the prompt display code to work better when the application has a
|
|
custom redisplay function.
|
|
|
|
i. Changes to make reading and writing the history file a little faster, and
|
|
to cope with huge history files without calling abort(3) from xmalloc.
|
|
|
|
j. The vi-mode `S' and `s' commands are now undone correctly.
|
|
|
|
k. Fixed a problem which caused the display to be messed up when the last
|
|
line of a multi-line prompt (possibly containing invisible characters)
|
|
was longer than the screen width.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. Support for key `subsequences': allows, e.g., ESC and ESC-a to both
|
|
be bound to readline functions. Now the arrow keys may be used in vi
|
|
insert mode.
|
|
|
|
b. When listing completions, and the number of lines displayed is more than
|
|
the screen length, readline uses an internal pager to display the results.
|
|
This is controlled by the `page-completions' variable (default on).
|
|
|
|
c. New code to handle editing and displaying multibyte characters.
|
|
|
|
d. The behavior introduced in bash-2.05a of deciding whether or not to
|
|
append a slash to a completed name that is a symlink to a directory has
|
|
been made optional, controlled by the `mark-symlinked-directories'
|
|
variable (default is the 2.05a behavior).
|
|
|
|
e. The `insert-comment' command now acts as a toggle if given a numeric
|
|
argument: if the first characters on the line don't specify a
|
|
comment, insert one; if they do, delete the comment text
|
|
|
|
f. New application-settable completion variable:
|
|
rl_completion_mark_symlink_dirs, allows an application's completion
|
|
function to temporarily override the user's preference for appending
|
|
slashes to names which are symlinks to directories.
|
|
|
|
g. New function available to application completion functions:
|
|
rl_completion_mode, to tell how the completion function was invoked
|
|
and decide which argument to supply to rl_complete_internal (to list
|
|
completions, etc.).
|
|
|
|
h. Readline now has an overwrite mode, toggled by the `overwrite-mode'
|
|
bindable command, which could be bound to `Insert'.
|
|
|
|
i. New application-settable completion variable:
|
|
rl_completion_suppress_append, inhibits appending of
|
|
rl_completion_append_character to completed words.
|
|
|
|
j. New key bindings when reading an incremental search string: ^W yanks
|
|
the currently-matched word out of the current line into the search
|
|
string; ^Y yanks the rest of the current line into the search string,
|
|
DEL or ^H deletes characters from the search string.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.2a,
|
|
and the previous version, readline-4.2.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. More `const' and type casting fixes.
|
|
|
|
b. Changed rl_message() to use vsnprintf(3) (if available) to fix buffer
|
|
overflow problems.
|
|
|
|
c. The completion code no longer appends a `/' or ` ' to a match when
|
|
completing a symbolic link that resolves to a directory name, unless
|
|
the match does not add anything to the word being completed. This
|
|
means that a tab will complete the word up to the full name, but not
|
|
add anything, and a subsequent tab will add a slash.
|
|
|
|
d. Fixed a trivial typo that made the vi-mode `dT' command not work.
|
|
|
|
e. Fixed the tty code so that ^S and ^Q can be inserted with rl_quoted_insert.
|
|
|
|
f. Fixed the tty code so that ^V works more than once.
|
|
|
|
g. Changed the use of __P((...)) for function prototypes to PARAMS((...))
|
|
because the use of __P in typedefs conflicted g++ and glibc.
|
|
|
|
h. The completion code now attempts to do a better job of preserving the
|
|
case of the word the user typed if ignoring case in completions.
|
|
|
|
i. Readline defaults to not echoing the input and lets the terminal
|
|
initialization code enable echoing if there is a controlling terminal.
|
|
|
|
j. The key binding code now processes only two hex digits after a `\x'
|
|
escape sequence, and the documentation was changed to note that the
|
|
octal and hex escape sequences result in an eight-bit value rather
|
|
than strict ASCII.
|
|
|
|
k. Fixed a few places where negative array subscripts could have occurred.
|
|
|
|
l. Fixed the vi-mode code to use a better method to determine the bounds of
|
|
the array used to hold the marks, and to avoid out-of-bounds references.
|
|
|
|
m. Fixed the defines in chardefs.h to work better when chars are signed.
|
|
|
|
n. Fixed configure.in to use the new names for bash autoconf macros.
|
|
|
|
o. Readline no longer attempts to define its own versions of some ctype
|
|
macros if they are implemented as functions in libc but not as macros in
|
|
<ctype.h>.
|
|
|
|
p. Fixed a problem where rl_backward could possibly set point to before
|
|
the beginning of the line.
|
|
|
|
q. Fixed Makefile to not put -I/usr/include into CFLAGS, since it can cause
|
|
include file problems.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. Added extern declaration for rl_get_termcap to readline.h, making it a
|
|
public function (it was always there, just not in readline.h).
|
|
|
|
b. New #defines in readline.h: RL_READLINE_VERSION, currently 0x0402,
|
|
RL_VERSION_MAJOR, currently 4, and RL_VERSION_MINOR, currently 2.
|
|
|
|
c. New readline variable: rl_readline_version, mirrors RL_READLINE_VERSION.
|
|
|
|
d. New bindable boolean readline variable: match-hidden-files. Controls
|
|
completion of files beginning with a `.' (on Unix). Enabled by default.
|
|
|
|
e. The history expansion code now allows any character to terminate a
|
|
`:first-' modifier, like csh.
|
|
|
|
f. The incremental search code remembers the last search string and uses
|
|
it if ^R^R is typed without a search string.
|
|
|
|
h. New bindable variable `history-preserve-point'. If set, the history
|
|
code attempts to place the user at the same location on each history
|
|
line retrived with previous-history or next-history.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.2,
|
|
and the previous version, readline-4.1.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. When setting the terminal attributes on systems using `struct termio',
|
|
readline waits for output to drain before changing the attributes.
|
|
|
|
b. A fix was made to the history word tokenization code to avoid attempts to
|
|
dereference a null pointer.
|
|
|
|
c. Readline now defaults rl_terminal_name to $TERM if the calling application
|
|
has left it unset, and tries to initialize with the resultant value.
|
|
|
|
d. Instead of calling (*rl_getc_function)() directly to get input in certain
|
|
places, readline now calls rl_read_key() consistently.
|
|
|
|
e. Fixed a bug in the completion code that allowed a backslash to quote a
|
|
single quote inside a single-quoted string.
|
|
|
|
f. rl_prompt is no longer assigned directly from the argument to readline(),
|
|
but uses memory allocated by readline. This allows constant strings to
|
|
be passed to readline without problems arising when the prompt processing
|
|
code wants to modify the string.
|
|
|
|
g. Fixed a bug that caused non-interactive history searches to return the
|
|
wrong line when performing multiple searches backward for the same string.
|
|
|
|
h. Many variables, function arguments, and function return values are now
|
|
declared `const' where appropriate, to improve behavior when linking with
|
|
C++ code.
|
|
|
|
i. The control character detection code now works better on systems where
|
|
`char' is unsigned by default.
|
|
|
|
j. The vi-mode numeric argument is now capped at 999999, just like emacs mode.
|
|
|
|
k. The Function, CPFunction, CPPFunction, and VFunction typedefs have been
|
|
replaced with a set of specific prototyped typedefs, though they are
|
|
still in the readline header files for backwards compatibility.
|
|
|
|
m. Nearly all of the (undocumented) internal global variables in the library
|
|
now have an _rl_ prefix -- there were a number that did not, like
|
|
screenheight, screenwidth, alphabetic, etc.
|
|
|
|
n. The ding() convenience function has been renamed to rl_ding(), though the
|
|
old function is still defined for backwards compatibility.
|
|
|
|
o. The completion convenience functions filename_completion_function,
|
|
username_completion_function, and completion_matches now have an rl_
|
|
prefix, though the old names are still defined for backwards compatibility.
|
|
|
|
p. The functions shared by readline and bash (linkage is satisfied from bash
|
|
when compiling with bash, and internally otherwise) now have an sh_ prefix.
|
|
|
|
q. Changed the shared library creation procedure on Linux and BSD/OS 4.x so
|
|
that the `soname' contains only the major version number rather than the
|
|
major and minor numbers.
|
|
|
|
r. Fixed a redisplay bug that occurred when the prompt spanned more than one
|
|
physical line and contained invisible characters.
|
|
|
|
s. Added a missing `includedir' variable to the Makefile.
|
|
|
|
t. When installing the shared libraries, make sure symbolic links are relative.
|
|
|
|
u. Added configure test so that it can set `${MAKE}' appropriately.
|
|
|
|
v. Fixed a bug in rl_forward that could cause the point to be set to before
|
|
the beginning of the line in vi mode.
|
|
|
|
w. Fixed a bug in the callback read-char interface to make it work when a
|
|
readline function pushes some input onto the input stream with
|
|
rl_execute_next (like the incremental search functions).
|
|
|
|
x. Fixed a file descriptor leak in the history file manipulation code that
|
|
was tripped when attempting to truncate a non-regular file (like
|
|
/dev/null).
|
|
|
|
y. Changes to make all of the exported readline functions declared in
|
|
readline.h have an rl_ prefix (rltty_set_default_bindings is now
|
|
rl_tty_set_default_bindings, crlf is now rl_crlf, etc.)
|
|
|
|
z. The formatted documentation included in the base readline distribution
|
|
is no longer removed on a `make distclean'.
|
|
|
|
aa. Some changes were made to avoid gcc warnings with -Wall.
|
|
|
|
bb. rl_get_keymap_by_name now finds keymaps case-insensitively, so
|
|
`set keymap EMACS' works.
|
|
|
|
cc. The history file writing and truncation functions now return a useful
|
|
status on error.
|
|
|
|
dd. Fixed a bug that could cause applications to dereference a NULL pointer
|
|
if a NULL second argument was passed to history_expand().
|
|
|
|
ee. If a hook function assigned to rl_event_hook sets rl_done to a non-zero
|
|
value, rl_read_key() now immediately returns '\n' (which is assumed to
|
|
be bound to accept-line).
|
|
|
|
2. New Features in Readline
|
|
|
|
a. The blink timeout for paren matching is now settable by applications,
|
|
via the rl_set_paren_blink_timeout() function.
|
|
|
|
b. _rl_executing_macro has been renamed to rl_executing_macro, which means
|
|
it's now part of the public interface.
|
|
|
|
c. Readline has a new variable, rl_readline_state, which is a bitmap that
|
|
encapsulates the current state of the library; intended for use by
|
|
callbacks and hook functions.
|
|
|
|
d. rlfe has a new -l option to log input and output (-a appends to logfile),
|
|
a new -n option to set the readline application name, and -v and -h
|
|
options for version and help information.
|
|
|
|
e. rlfe can now perform filename completion for the inferior process if the
|
|
OS has a /proc/<PID>/cwd that can be read with readlink(2) to get the
|
|
inferior's current working directory.
|
|
|
|
f. A new file, rltypedefs.h, contains the new typedefs for function pointers
|
|
and is installed by `make install'.
|
|
|
|
g. New application-callable function rl_set_prompt(const char *prompt):
|
|
expands its prompt string argument and sets rl_prompt to the result.
|
|
|
|
h. New application-callable function rl_set_screen_size(int rows, int cols):
|
|
public method for applications to set readline's idea of the screen
|
|
dimensions.
|
|
|
|
i. The history example program (examples/histexamp.c) is now built as one
|
|
of the examples.
|
|
|
|
j. The documentation has been updated to cover nearly all of the public
|
|
functions and variables declared in readline.h.
|
|
|
|
k. New function, rl_get_screen_size (int *rows, int *columns), returns
|
|
readline's idea of the screen dimensions.
|
|
|
|
l. The timeout in rl_gather_tyi (readline keyboard input polling function)
|
|
is now settable via a function (rl_set_keyboard_input_timeout()).
|
|
|
|
m. Renamed the max_input_history variable to history_max_entries; the old
|
|
variable is maintained for backwards compatibility.
|
|
|
|
n. The list of characters that separate words for the history tokenizer is
|
|
now settable with a variable: history_word_delimiters. The default
|
|
value is as before.
|
|
|
|
o. There is a new history.3 manual page documenting the history library.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.1,
|
|
and the previous version, readline-4.0.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Changed the HTML documents so that the table-of-contents is no longer
|
|
a separate file.
|
|
|
|
b. Changes to the shared object configuration for: Irix 5.x, Irix 6.x,
|
|
OSF/1.
|
|
|
|
c. The shared library major and minor versions are now constructed
|
|
automatically by configure and substituted into the makefiles.
|
|
|
|
d. It's now possible to install the shared libraries separately from the
|
|
static libraries.
|
|
|
|
e. The history library tries to truncate the history file only if it is a
|
|
regular file.
|
|
|
|
f. A bug that caused _rl_dispatch to address negative array indices on
|
|
systems with signed chars was fixed.
|
|
|
|
g. rl-yank-nth-arg now leaves the history position the same as when it was
|
|
called.
|
|
|
|
h. Changes to the completion code to handle MS-DOS drive-letter:pathname
|
|
filenames.
|
|
|
|
i. Completion is now case-insensitive by default on MS-DOS.
|
|
|
|
j. Fixes to the history file manipulation code for MS-DOS.
|
|
|
|
k. Readline attempts to bind the arrow keys to appropriate defaults on MS-DOS.
|
|
|
|
l. Some fixes were made to the redisplay code for better operation on MS-DOS.
|
|
|
|
m. The quoted-insert code will now insert tty special chars like ^C.
|
|
|
|
n. A bug was fixed that caused the display code to reference memory before
|
|
the start of the prompt string.
|
|
|
|
o. More support for __EMX__ (OS/2).
|
|
|
|
p. A bug was fixed in readline's signal handling that could cause infinite
|
|
recursion in signal handlers.
|
|
|
|
q. A bug was fixed that caused the point to be less than zero when rl_forward
|
|
was given a very large numeric argument.
|
|
|
|
r. The vi-mode code now gets characters via the application-settable value
|
|
of rl_getc_function rather than calling rl_getc directly.
|
|
|
|
s. The history file code now uses O_BINARY mode when reading and writing
|
|
the history file on cygwin32.
|
|
|
|
t. Fixed a bug in the redisplay code for lines with more than 256 line
|
|
breaks.
|
|
|
|
u. A bug was fixed which caused invisible character markers to not be
|
|
stripped from the prompt string if the terminal was in no-echo mode.
|
|
|
|
v. Readline no longer tries to get the variables it needs for redisplay
|
|
from the termcap entry if the calling application has specified its
|
|
own redisplay function. Readline treats the terminal as `dumb' in
|
|
this case.
|
|
|
|
w. Fixes to the SIGWINCH code so that a multiple-line prompt with escape
|
|
sequences is redrawn correctly.
|
|
|
|
x. Changes to the install and install-shared targets so that the libraries
|
|
and header files are installed separately.
|
|
|
|
2. New Features in Readline
|
|
|
|
a. A new Readline `user manual' is in doc/rluserman.texinfo.
|
|
|
|
b. Parentheses matching is now always compiled into readline, and enabled
|
|
or disabled when the value of the `blink-matching-paren' variable is
|
|
changed.
|
|
|
|
c. MS-DOS systems now use ~/_inputrc as the last-ditch inputrc filename.
|
|
|
|
d. MS-DOS systems now use ~/_history as the default history file.
|
|
|
|
e. history-search-{forward,backward} now leave the point at the end of the
|
|
line when the string to search for is empty, like
|
|
{reverse,forward}-search-history.
|
|
|
|
f. history-search-{forward,backward} now leave the last history line found
|
|
in the readline buffer if the second or subsequent search fails.
|
|
|
|
g. New function for use by applications: rl_on_new_line_with_prompt, used
|
|
when an application displays the prompt itself before calling readline().
|
|
|
|
h. New variable for use by applications: rl_already_prompted. An application
|
|
that displays the prompt itself before calling readline() must set this to
|
|
a non-zero value.
|
|
|
|
i. A new variable, rl_gnu_readline_p, always 1. The intent is that an
|
|
application can verify whether or not it is linked with the `real'
|
|
readline library or some substitute.
|
|
|
|
j. Per Bothner's `rlfe' (pronounced `Ralphie') readline front-end program
|
|
is included in the examples subdirectory, though it is not built
|
|
by default.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-4.0,
|
|
and the previous version, readline-2.2.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. The version number is now 4.0, to match the major and minor version
|
|
numbers on the shared readline and history libraries. Future
|
|
releases will maintain the identical numbering.
|
|
|
|
b. Fixed a typo in the `make install' recipe that copied libreadline.a
|
|
to libhistory.old right after installing it.
|
|
|
|
c. The readline and history info files are now installed out of the source
|
|
directory if they are not found in the build directory.
|
|
|
|
d. The library no longer exports a function named `savestring' -- backwards
|
|
compatibility be damned.
|
|
|
|
e. There is no longer any #ifdef SHELL code in the source files.
|
|
|
|
f. Some changes were made to the key binding code to fix memory leaks and
|
|
better support Win32 systems.
|
|
|
|
g. Fixed a silly typo in the paren matching code -- it's microseconds, not
|
|
milliseconds.
|
|
|
|
h. The readline library should be compilable by C++ compilers.
|
|
|
|
i. The readline.h public header file now includes function prototypes for
|
|
all readline functions, and some changes were made to fix errors in the
|
|
source files uncovered by the use of prototypes.
|
|
|
|
j. The maximum numeric argument is now clamped at 1000000.
|
|
|
|
k. Fixes to rl_yank_last_arg to make it behave better.
|
|
|
|
l. Fixed a bug in the display code that caused core dumps if the prompt
|
|
string length exceeded 1024 characters.
|
|
|
|
m. The menu completion code was fixed to properly insert a single completion
|
|
if there is only one match.
|
|
|
|
n. A bug was fixed that caused the display code to improperly display tabs
|
|
after newlines.
|
|
|
|
o. A fix was made to the completion code in which a typo caused the wrong
|
|
value to be passed to the function that computed the longest common
|
|
prefix of the list of matches.
|
|
|
|
p. The completion code now checks the value of rl_filename_completion_desired,
|
|
which is set by application-supplied completion functions to indicate
|
|
that filename completion is being performed, to decide whether or not to
|
|
call an application-supplied `ignore completions' function.
|
|
|
|
q. Code was added to the history library to catch history substitutions
|
|
using `&' without a previous history substitution or search having been
|
|
performed.
|
|
|
|
|
|
2. New Features in Readline
|
|
|
|
a. There is a new script, support/shobj-conf, to do system-specific shared
|
|
object and library configuration. It generates variables for configure
|
|
to substitute into makefiles. The README file provides a detailed
|
|
explanation of the shared library creation process.
|
|
|
|
b. Shared libraries and objects are now built in the `shlib' subdirectory.
|
|
There is a shlib/Makefile.in to control the build process. `make shared'
|
|
from the top-level directory is still the right way to build shared
|
|
versions of the libraries.
|
|
|
|
c. rlconf.h is now installed, so applications can find out which features
|
|
have been compiled into the installed readline and history libraries.
|
|
|
|
d. rlstdc.h is now an installed header file.
|
|
|
|
e. Many changes to the signal handling:
|
|
o Readline now catches SIGQUIT and cleans up the tty before returning;
|
|
o A new variable, rl_catch_signals, is available to application writers
|
|
to indicate to readline whether or not it should install its own
|
|
signal handlers for SIGINT, SIGTERM, SIGQUIT, SIGALRM, SIGTSTP,
|
|
SIGTTIN, and SIGTTOU;
|
|
o A new variable, rl_catch_sigwinch, is available to application
|
|
writers to indicate to readline whether or not it should install its
|
|
own signal handler for SIGWINCH, which will chain to the calling
|
|
applications's SIGWINCH handler, if one is installed;
|
|
o There is a new function, rl_free_line_state, for application signal
|
|
handlers to call to free up the state associated with the current
|
|
line after receiving a signal;
|
|
o There is a new function, rl_cleanup_after_signal, to clean up the
|
|
display and terminal state after receiving a signal;
|
|
o There is a new function, rl_reset_after_signal, to reinitialize the
|
|
terminal and display state after an application signal handler
|
|
returns and readline continues
|
|
|
|
f. There is a new function, rl_resize_terminal, to reset readline's idea of
|
|
the screen size after a SIGWINCH.
|
|
|
|
g. New public functions: rl_save_prompt and rl_restore_prompt. These were
|
|
previously private functions with a `_' prefix. These functions are
|
|
used when an application wants to write a message to the `message area'
|
|
with rl_message and have the prompt restored correctly when the message
|
|
is erased.
|
|
|
|
h. New function hook: rl_pre_input_hook, called just before readline starts
|
|
reading input, after initialization.
|
|
|
|
i. New function hook: rl_display_matches_hook, called when readline would
|
|
display the list of completion matches. The new function
|
|
rl_display_match_list is what readline uses internally, and is available
|
|
for use by application functions called via this hook.
|
|
|
|
j. New bindable function, delete-char-or-list, like tcsh.
|
|
|
|
k. A new variable, rl_erase_empty_line, which, if set by an application using
|
|
readline, will cause readline to erase, prompt and all, lines on which the
|
|
only thing typed was a newline.
|
|
|
|
l. There is a new script, support/shlib-install, to install and uninstall
|
|
the shared readline and history libraries.
|
|
|
|
m. A new bindable variable, `isearch-terminators', which is a string
|
|
containing the set of characters that should terminate an incremental
|
|
search without being executed as a command.
|
|
|
|
n. A new bindable function, forward-backward-delete-char.
|
|
|
|
-------------------------------------------------------------------------------
|
|
This document details the changes between this version, readline-2.2,
|
|
and the previous version, readline-2.1.
|
|
|
|
1. Changes to Readline
|
|
|
|
a. Added a missing `extern' to a declaration in readline.h that kept
|
|
readline from compiling cleanly on some systems.
|
|
|
|
b. The history file is now opened with mode 0600 when it is written for
|
|
better security.
|
|
|
|
c. Changes were made to the SIGWINCH handling code so that prompt redisplay
|
|
is done better.
|
|
|
|
d. ^G now interrupts incremental searches correctly.
|
|
|
|
e. A bug that caused a core dump when the set of characters to be quoted
|
|
when completing words was empty was fixed.
|
|
|
|
f. Fixed a problem in the readline test program rltest.c that caused a core
|
|
dump.
|
|
|
|
g. The code that handles parser directives in inputrc files now displays
|
|
more error messages.
|
|
|
|
h. The history expansion code was fixed so that the appearance of the
|
|
history comment character at the beginning of a word inhibits history
|
|
expansion for that word and the rest of the input line.
|
|
|
|
i. The code that prints completion listings now behaves better if one or
|
|
more of the filenames contains non-printable characters.
|
|
|
|
j. The time delay when showing matching parentheses is now 0.5 seconds.
|
|
|
|
|
|
2. New Features in Readline
|
|
|
|
a. There is now an option for `iterative' yank-last-arg handline, so a user
|
|
can keep entering `M-.', yanking the last argument of successive history
|
|
lines.
|
|
|
|
b. New variable, `print-completions-horizontally', which causes completion
|
|
matches to be displayed across the screen (like `ls -x') rather than up
|
|
and down the screen (like `ls').
|
|
|
|
c. New variable, `completion-ignore-case', which causes filename completion
|
|
and matching to be performed case-insensitively.
|
|
|
|
d. There is a new bindable command, `magic-space', which causes history
|
|
expansion to be performed on the current readline buffer and a space to
|
|
be inserted into the result.
|
|
|
|
e. There is a new bindable command, `menu-complete', which enables tcsh-like
|
|
menu completion (successive executions of menu-complete insert a single
|
|
completion match, cycling through the list of possible completions).
|
|
|
|
f. There is a new bindable command, `paste-from-clipboard', for use on Win32
|
|
systems, to insert the text from the Win32 clipboard into the editing
|
|
buffer.
|
|
|
|
g. The key sequence translation code now understands printf-style backslash
|
|
escape sequences, including \NNN octal escapes. These escape sequences
|
|
may be used in key sequence definitions or macro values.
|
|
|
|
h. An `$include' inputrc file parser directive has been added.
|