Re: minor regex speedup

[Eric Blake]

Eric Blake <ebb9 <at> byu.net> writes:

>  /* V: very verbose --  print everything */
> -#define DEBUG_TRACE_VERBOSE 1023
> +#define DEBUG_TRACE_VERBOSE 0x377

What WAS I thinking?  Oh well.  At least the master branch is immune, and at 
least I didn't cherry-pick this into branch-1.4 before cutting 1.4.11, so the 
damage is only limited to 1.4.10b.

From: Eric Blake <address@hidden>
Date: Thu, 24 Apr 2008 13:41:36 -0600
Subject: [PATCH] Fix regression from 2008-02-18.

* src/m4.h (DEBUG_TRACE_VERBOSE): Make -dV verbose again.
* NEWS: Document this fix.

Signed-off-by: Eric Blake <address@hidden>
---
 ChangeLog |    6 ++++++
 NEWS      |    4 ++++
 src/m4.h  |    2 +-
 3 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 8a29282..6033f82 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-04-24  Eric Blake  <address@hidden>
+
+       Fix regression from 2008-02-18.
+       * src/m4.h (DEBUG_TRACE_VERBOSE): Make -dV verbose again.
+       * NEWS: Document this fix.
+
 2008-04-21  Eric Blake  <address@hidden>
 
        Fix spelling of attribution to Christopher Strachey.
diff --git a/NEWS b/NEWS
index 58fddef..0ca3094 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,10 @@ Foundation, Inc.
    using `builtin' or `indir' to perform nested `shift' calls triggered an
    assertion failure.
 
+** Fix regression introduced in 1.4.10b (but not present in 1.4.11) where
+   the command-line option -dV, as well as the builtin `debugmode(V)',
+   failed to enable `t' and `c' debug options.
+
 ** Fix the `m4wrap' builtin to accumulate wrapped text in FIFO order, as
    required by POSIX.  The manual mentions a way to restore the LIFO order
    present in earlier GNU M4 versions.  NOTE: this change exposes a bug
diff --git a/src/m4.h b/src/m4.h
index db531a3..59d9be3 100644
--- a/src/m4.h
+++ b/src/m4.h
@@ -183,7 +183,7 @@ extern FILE *debug;
 #define DEBUG_TRACE_CALLID 0x200
 
 /* V: very verbose --  print everything */
-#define DEBUG_TRACE_VERBOSE 0x377
+#define DEBUG_TRACE_VERBOSE 0x3FF
 /* default flags -- equiv: aeq */
 #define DEBUG_TRACE_DEFAULT 0x007
 
-- 
1.5.5.1