2007-07-06  Benoit Sigoure  <tsuna@lrde.epita.fr>

	* doc/autoconf.texi (File System Conventions): Index the proper way of
	detecting absolute file names.

Index: autoconf/doc/autoconf.texi
===================================================================
--- autoconf.orig/doc/autoconf.texi	2007-07-06 07:59:40.000000000 +0200
+++ autoconf/doc/autoconf.texi	2007-07-06 08:00:47.000000000 +0200
@@ -11475,6 +11475,7 @@
 price of rejecting valid but oddball Posix file names like @file{a:\b}),
 you can check for absolute file names like this:
 
+@cindex absolute file names, detect
 @example
 case $foo_dir in
   [\\/]* | ?:[\\/]* ) # Absolute