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adding the original string as a completion match

I thought it would be useful to have the original string added as a
possible completion in my _match based completion widget similar to how
_approximate adds it. So the patch below is a cut'n'paste job from
_approximate into _match which I won't commit unless someone says to.

Thinking about it, the original match could be useful anywhere that it
goes into menu completion. Would it be possible to have a completer a
bit like _all_matches (and taking some of the same styles) to add the
original string? I tend to get the original string by hitting undo and
just like to see what the original string was so this completer might
optionally just mention the string in a message.

And another question, is there any way with _all_matches that I can get
it to just insert all the matches and never list all the things which
_complete came up with? Something like a tag-order but that doesn't


--- _match	Mon Apr  2 12:08:02 2001
+++ _match	Wed Mar 27 08:18:38 2002
@@ -22,6 +22,8 @@
+_tags matches original
 zstyle -s ":completion:${curcontext}:" match-original orig
 zstyle -s ":completion:${curcontext}:" insert-unambiguous ins
@@ -61,10 +63,19 @@
 #        ins=yes compstate[insert]="$ocsi" compstate[pattern_insert]="$ocspi"
-  [[ "$ins" = (true|yes|on|1) &&
-     $#compstate[unambiguous] -ge ${#:-${PREFIX}${SUFFIX}} ]] && 
-      compstate[pattern_insert]=unambiguous
+  if [[ "$ins" = (true|yes|on|1) &&
+      $#compstate[unambiguous] -ge ${#:-${PREFIX}${SUFFIX}} ]]
+  then 
+    compstate[pattern_insert]=unambiguous
+  elif _requested original &&
+      { [[ compstate[nmatches] -gt 1 ]] ||
+	zstyle -t ":completion:${curcontext}:" original }; then
+    local expl
+    _description -V original expl original
+    compadd "$expl[@]" -U -Q - "$PREFIX$SUFFIX"
+  fi    
 return ret

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