[SCM] GNU Autoconf source repository branch, master, updated. v2.61a-290-gc33d474

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit c33d474779c0351224d340b419ea32e85a2ae9f0
Author: Ralf Wildenhues <address@hidden>
Date:   Thu Nov 15 07:58:03 2007 +0100

    Shell functions and variables may share a namespace.
    
    * doc/autoconf.texi (Portable Shell): Mention Solaris sh
    limitation.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog         |    6 ++++++
 doc/autoconf.texi |   11 ++++++++++-
 2 files changed, 16 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 1e6baa4..1d69799 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-11-15  Ralf Wildenhues  <address@hidden>
+
+       Shell functions and variables may share a namespace.
+       * doc/autoconf.texi (Portable Shell): Mention Solaris sh
+       limitation.
+
 2007-11-14  Paul Eggert  <address@hidden>
 
        * lib/autoconf/types.m4 (_AC_TYPE_LONG_LONG_SNIPPET): Make comment match
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 12eef55..c7f8d2a 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -12162,7 +12162,16 @@ you should not rely on the error status of a subshell 
if the last
 command of that subshell was @code{exit} or @code{trap}, as this
 triggers bugs in zsh 4.x; while Autoconf tries to find a shell that
 does not exhibit the bug, zsh might be the only shell present on the
-user's machine.
+user's machine.  Also, variables and functions may share a namespace,
+for example with Solaris 10 @command{/bin/sh}:
+
address@hidden
+$ @kbd{f () @{ :; @}; f=; f}
+f: not found
address@hidden example
+
address@hidden
+For this reason, Autotest uses the prefix @samp{at_func_} for its functions.
 
 Some ancient systems have quite
 small limits on the length of the @samp{#!} line; for instance, 32


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