* xdisp.c (syms_of_xdisp): Default message-log-max to 1000, not 100.

etc/NEWS

@@ -160,6 +160,8 @@ On encountering a fatal error, Emacs now outputs a textual description
 of the fatal signal, and a short backtrace on platforms like glibc
 that support backtraces.
 
+** `message-log-max' now defaults to 1000, not 100.
+
 ---
 ** If your Emacs was built from a bzr checkout, the new variable
 `emacs-bzr-version' contains information about the bzr revision used.

src/ChangeLog

@@ -1,5 +1,9 @@
 2012-10-01  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* xdisp.c (syms_of_xdisp): Default message-log-max to 1000, not 100.
+	Suggested by Juri Linkov in
+	<http://lists.gnu.org/archive/html/emacs-devel/2012-09/msg00821.html>.
+
 	Prefer plain 'static' to 'static inline' (Bug#12541).
 	With static functions, modern compilers inline pretty well by
 	themselves; advice from programmers often hurts as much as it helps.

src/xdisp.c

@@ -28986,7 +28986,7 @@ and is used only on frames for which no explicit name has been set
     doc: /* Maximum number of lines to keep in the message log buffer.
 If nil, disable message logging.  If t, log messages but don't truncate
 the buffer when it becomes large.  */);
-  Vmessage_log_max = make_number (100);
+  Vmessage_log_max = make_number (1000);
 
   DEFVAR_LISP ("window-size-change-functions", Vwindow_size_change_functions,
     doc: /* Functions called before redisplay, if window sizes have changed.