30906: more Etc/zsh-development-guide tinkering

ChangeLog

@@ -1,6 +1,7 @@
 2012-12-17  Phil Pennock  <pdpennock@users.sourceforge.net>
 
-	* 30901: Etc/zsh-development-guide: document git usage
+	* 30901, 30906: Etc/zsh-development-guide: document git usage,
+	update patch descriptions, mention editorconfig.
 
 2012-12-16  Peter Stephenson  <p.w.stephenson@ntlworld.com>
 
@@ -387,5 +388,5 @@
 
 *****************************************************
 * This is used by the shell to define $ZSH_PATCHLEVEL
-* $Revision: 1.5772 $
+* $Revision: 1.5773 $
 *****************************************************

Etc/zsh-development-guide

@@ -39,7 +39,7 @@ Patches
   intelligently.  Please make sure the filenames in the diff header
   are relative to the top-level directory of the zsh distribution; for
   example, it should say "Src/init.c" rather than "init.c" or
-  "zsh/Src/init.c".
+  "zsh/Src/init.c".  Git-style naming of diffs is also acceptable.
 
 * Please put only one bug fix or feature enhancement in a single patch and
   only one patch per mail message.  This helps me to multiplex the many
@@ -52,9 +52,8 @@ Patches
 * Please test your patch and make sure it applies cleanly. It takes
   considerably more time to manually merge a patch into the baseline code.
 
-* There is now a zsh patch archive.  To have your patches appear in the
-  archive, send them to the mailing list with a Subject: line starting
-  with "PATCH:".
+* By convention, patches should be sent with a Subject: line starting with
+  one of "PATCH:", "[PATCH]" or "[PATCH n/m]" (for a patch series).
 
 Testing
 -------
@@ -167,6 +166,11 @@ C coding style
   also #include other system headers.  It *must not* #include any other
   module's headers or any other .pro files.
 
+* The repository includes a `.editorconfig' file with whitespace/indent
+  control settings. Information about text editor plugins and this file
+  can be found at <http://editorconfig.org/>.
+
+
 Modules
 -------