Comment changes.

diff --git a/src/dired.c b/src/dired.c
index cce0360..2902771 100644 (file)
--- a/src/dired.c
+++ b/src/dired.c
@@ -453,6 +453,8 @@ file_name_completion (file, dirname, all_flag, ver_flag)
                     use it as the best match rather than one that is not
                     an exact match.  This way, we get the case pattern
                     of the actual match.  */
+                 /* This tests that the current file is an exact match
+                    but BESTMATCH is not (it is too long).  */
                  if ((matchsize == len
                       && matchsize + !!directoryp 
                          < XSTRING (bestmatch)->size)
@@ -460,13 +462,15 @@ file_name_completion (file, dirname, all_flag, ver_flag)
                      /* If there is no exact match ignoring case,
                         prefer a match that does not change the case
                         of the input.  */
+                     /* If there is more than one exact match aside from
+                        case, and one of them is exact including case,
+                        prefer that one.  */
+                     /* This == checks that, of current file and BESTMATCH,
+                        either both or neither are exact.  */
                      (((matchsize == len)
                        ==
                        (matchsize + !!directoryp 
                         == XSTRING (bestmatch)->size))
-                      /* If there is more than one exact match aside from
-                         case, and one of them is exact including case,
-                         prefer that one.  */
                       && !bcmp (p2, XSTRING (file)->data, XSTRING (file)->size)
                       && bcmp (p1, XSTRING (file)->data, XSTRING (file)->size)))
                    {