merge-tool documentation: describe custom command usage

diff --git a/mailmap.c b/mailmap.c
index cb567a2832d9f8c784aea388af9144c12eddc7d5..f0172552e4c42c1526e2395802a41070d43cadae 100644 (file)
--- a/mailmap.c
+++ b/mailmap.c
@@ -42,9 +42,10 @@ int read_mailmap(struct path_list *map, const char *filename, char **repo_abbrev
                        continue;
                if (right_bracket == left_bracket + 1)
                        continue;
-               for (end_of_name = left_bracket; end_of_name != buffer
-                               && isspace(end_of_name[-1]); end_of_name--)
-                       /* keep on looking */
+               for (end_of_name = left_bracket;
+                    end_of_name != buffer && isspace(end_of_name[-1]);
+                    end_of_name--)
+                       ; /* keep on looking */
                if (end_of_name == buffer)
                        continue;
                name = xmalloc(end_of_name - buffer + 1);
@@ -89,4 +90,3 @@ int map_email(struct path_list *map, const char *email, char *name, int maxlen)
        }
        return 0;
 }
-