Doc fixes.

* lisp/emacs-lisp/regexp-opt.el (regexp-opt-charset): Doc fix.

* src/chartab.c (Fmap_char_table): Doc fix.

* src/editfns.c (Fformat): Doc fix.

Fixes: debbugs:12059 debbugs:12085 debbugs:12061

2 files changed, 7 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 454b8ed38ea..8d27fc65185 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-14  Chong Yidong  <cyd@gnu.org>
+
+        * emacs-lisp/regexp-opt.el (regexp-opt-charset): Doc fix
+        (Bug#12085).
+
 2012-08-14  Glenn Morris  <rgm@gnu.org>
 
         * emacs-lisp/bytecomp.el (byte-recompile-file): Doc fix.
diff --git a/lisp/emacs-lisp/regexp-opt.el b/lisp/emacs-lisp/regexp-opt.el
index 72e3c398dc0..8c64327c0ff 100644
--- a/lisp/emacs-lisp/regexp-opt.el
+++ b/lisp/emacs-lisp/regexp-opt.el
@@ -234,7 +234,8 @@ Merges keywords to avoid backtracking in Emacs's regexp matcher."
 
 
 (defun regexp-opt-charset (chars)
-  "Return a regexp to match a character in CHARS."
+  "Return a regexp to match a character in CHARS.
+CHARS should be a list of characters."
   ;; The basic idea is to find character ranges.  Also we take care in the
   ;; position of character set meta characters in the character set regexp.
   ;;