[SCM] GNU M4 source repository branch, branch-1_4, updated. cb5367522345659ba1a5e5bb51cc3b5f3e98764d

[Eric Blake]

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- Log -----------------------------------------------------------------
commit cb5367522345659ba1a5e5bb51cc3b5f3e98764d
Author: Eric Blake <address@hidden>
Date:   Tue Oct 9 10:55:26 2007 -0600

    * NEWS: Document recent speedups.
    
    Signed-off-by: Eric Blake <address@hidden>

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

Summary of changes:
 ChangeLog |    2 ++
 NEWS      |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 42bbaeb..9e334f1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2007-10-09  Eric Blake  <address@hidden>
 
+       * NEWS: Document recent speedups.
+
        Fix regexp regression of 2007-09-29.
        * src/builtin.c (substitute): Allow NULL regs when no
        subexpressions were present.
diff --git a/NEWS b/NEWS
index df9cc5f..af9b7ae 100644
--- a/NEWS
+++ b/NEWS
@@ -10,6 +10,8 @@ Version 1.4.11 - ?? ??? 2007, by ????  (CVS version 1.4.10a)
 * Enhance the `defn' builtin to support concatenation of multiple text
   arguments, as required by POSIX.  However, at this time, it is not
   possible to concatenate a builtin macro with anything else.
+* Several improvements in `index', `regexp', and `patsubst' builtins to
+  speed up typical Autoconf usage.
 * A number of portability improvements inherited from gnulib.
 
 Version 1.4.10 - 09 Jul 2007, by Eric Blake  (CVS version 1.4.9c)


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