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4ab90bf39b
(Installation Directory Variables, Build Directories): (Automatic Remaking, Subdirectories, Fortran Compiler): (Making testsuite Scripts, Defining Directories): Quote variable usages better. (Installation Directory Variables): Fix table item font. Reword slightly to clarify. Generalize advice about not using special characters to include all file-related vars, not just VPATH. (Special Chars in Variables): Warn about special characters in $(srcdir) too. (Assignments): Clarify default-value example as suggested by Ralf Wildenhues in <http://lists.gnu.org/archive/html/autoconf-patches/2006-06/msg00072.html>. (Special Shell Variables): Note leading ./ or ../, as suggested by Stepan Kasal. (Limitations of Builtins): Under cd, warn about CDPATH. (The Make Macro MAKEFLAGS): Untabify. Problem reported by Ralf Wildenhues.