Export some email and pretty-printing functions

These will be used for generating the cover letter in addition to the
patch emails.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

commit.h

@@ -71,6 +71,21 @@ extern void pretty_print_commit(enum cmit_fmt fmt, const struct commit*,
                                 int abbrev, const char *subject,
                                 const char *after_subject, enum date_mode,
 				int non_ascii_present);
+void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
+		   const char *line, enum date_mode dmode,
+		   const char *encoding);
+void pp_title_line(enum cmit_fmt fmt,
+		   const char **msg_p,
+		   struct strbuf *sb,
+		   const char *subject,
+		   const char *after_subject,
+		   const char *encoding,
+		   int plain_non_ascii);
+void pp_remainder(enum cmit_fmt fmt,
+		  const char **msg_p,
+		  struct strbuf *sb,
+		  int indent);
+
 
 /** Removes the first commit from a list sorted by date, and adds all
  * of its parents.