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docs: Tru64/OSF sh treats read as special builtin

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* doc/autoconf.texi (Limitations of Builtins): read may exit
upon unreadable or non-existent file with Tru64/OSF 5.1 sh.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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Ralf Wildenhues 2011-01-16 12:48:57 +01:00
parent 65cdbf1393
commit ac9c534e65
2 changed files with 9 additions and 1 deletions
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@ -1,3 +1,9 @@
2011-01-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
docs: Tru64/OSF sh treats read as special builtin
* doc/autoconf.texi (Limitations of Builtins): read may exit
upon unreadable or non-existent file with Tru64/OSF 5.1 sh.
2011-01-12 Eric Blake <eblake@redhat.com>
docs: fix description of m4_ifval

4
doc/autoconf.texi
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@ -17342,7 +17342,9 @@ Also please see the discussion of the @command{cd} command.
@c -----------------
@prindex @command{read}
No options are portable, not even support @option{-r} (Solaris
@command{/bin/sh} for example).
@command{/bin/sh} for example). Tru64/OSF 5.1 @command{sh} treats
@command{read} as a special built-in, so it may exit if input is
redirected from a non-existent or unreadable file.
@anchor{set}