doc: help Doxygen find our files.

[bison.git] / README-hacking

diff --git a/README-hacking b/README-hacking
index e56e04141a4eef7f81226da8300033b076d61267..f79a31a8f57b25f101c37d69b55a353667b93be0 100644 (file)
--- a/README-hacking
+++ b/README-hacking
@@ -46,6 +46,13 @@ of the .output file etc.  This excludes impossible error messages
 (comparable to assert/abort), and all the --trace output which is
 meant for the maintainers only.
 
+** Horizontal tabs
+Do not add horizontal tab characters to any file in Bison's repository
+except where required.  For example, do not use tabs to format C code.
+However, make files, ChangeLog, and some regular expressions require
+tabs.  Also, test cases might need to contain tabs to check that Bison
+properly processes tabs in its input.
+
 
 * Working from the repository
 
@@ -211,11 +218,16 @@ release:
   that it does not make sense for glr.c, which should be ANSI,
   but currently is actually GNU C, nor for lalr1.cc.
 
+- Test with a very recent version of GCC for both C and C++.  Testing
+  with older versions that are still in use is nice too.
+
 
 * Release Procedure
 
 ** Update the submodules.  See above.
 
+** Update maintainer tools, such as Autoconf.  See above.
+
 ** Try to get the *.pot files to the Translation Project at least one
 week before a stable release, to give them time to translate them.
 Before generating the *.pot files, make sure that po/POTFILES.in and
@@ -383,7 +395,7 @@ Push these changes.
 
 -----
 
-Copyright (C) 2002-2005, 2007-2011 Free Software Foundation, Inc.
+Copyright (C) 2002-2005, 2007-2012 Free Software Foundation, Inc.
 
 This file is part of GNU Bison.