X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/845346b3bb526d0f18878f15d906f05205b5c618..c850546ab3b95eec9a38938440798d6d4e916fae:/README-hacking

diff --git a/README-hacking b/README-hacking
index d468dac6..f79a31a8 100644
--- 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
 
@@ -211,6 +218,9 @@ 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
 
@@ -385,7 +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.