From 3d0f90ba2b52aa93b9176362c3f1d479f21f220f Mon Sep 17 00:00:00 2001
From: Sven Wischnowsky <wischnow@users.sourceforge.net>
Date: Tue, 11 Apr 2000 09:40:13 +0000
Subject: make _oldlist ignore list from _complete_help; _match runs for every
 match spec from matcher-list; _approximate doesn't redefine compadd if that
 is already a function (10641)

---
 ChangeLog                    |  6 ++++++
 Completion/Core/_approximate | 29 ++++++++++++++++-------------
 Completion/Core/_match       |  2 +-
 Completion/Core/_oldlist     |  7 +++++--
 4 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 34cc8ade1..f2ef402b1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2000-04-11  Sven Wischnowsky <wischnow@informatik.hu-berlin.de>
 
+	* 10641: Completion/Core/_approximate, Completion/Core/_match,
+ 	Completion/Core/_oldlist: make _oldlist ignore list from
+ 	_complete_help; _match runs for every match spec from
+ 	matcher-list; _approximate doesn't redefine compadd if that is
+ 	already a function
+	
 	* 10635: Completion/User/_make: _make uses $words[1] for command
  	name
 	
diff --git a/Completion/Core/_approximate b/Completion/Core/_approximate
index 0815a308e..840c1729a 100644
--- a/Completion/Core/_approximate
+++ b/Completion/Core/_approximate
@@ -10,7 +10,7 @@
 
 [[ _matcher_num -gt 1 || "${#:-$PREFIX$SUFFIX}" -le 1 ]] && return 1
 
-local _comp_correct _correct_expl comax cfgacc
+local _comp_correct _correct_expl comax cfgacc redef
 local oldcontext="${curcontext}" opm="$compstate[pattern_match]"
 
 zstyle -s ":completion:${curcontext}:" max-errors cfgacc || cfgacc='2 numeric'
@@ -40,17 +40,20 @@ _tags corrections original
 # to stick the `(#a...)' in the right place (after an
 # ignored prefix).
 
-compadd() {
-  [[ ${argv[(I)-[a-zA-Z]#U[a-zA-Z]#]} -eq 0 &&
-     "${#:-$PREFIX$SUFFIX}" -le _comp_correct ]] && return
+if (( ! $+functions[compadd] )); then
+  redef=yes
+  compadd() {
+    [[ ${argv[(I)-[a-zA-Z]#U[a-zA-Z]#]} -eq 0 &&
+       "${#:-$PREFIX$SUFFIX}" -le _comp_correct ]] && return
 
-  if [[ "$PREFIX" = \~*/* ]]; then
-    PREFIX="${PREFIX%%/*}/(#a${_comp_correct})${PREFIX#*/}"
-  else
-    PREFIX="(#a${_comp_correct})$PREFIX"
-  fi
-  builtin compadd "$_correct_expl[@]" "$@"
-}
+    if [[ "$PREFIX" = \~*/* ]]; then
+      PREFIX="${PREFIX%%/*}/(#a${_comp_correct})${PREFIX#*/}"
+    else
+      PREFIX="(#a${_comp_correct})$PREFIX"
+    fi
+    builtin compadd "$_correct_expl[@]" "$@"
+  }
+fi
 
 _comp_correct=1
 
@@ -81,7 +84,7 @@ while [[ _comp_correct -le comax ]]; do
       [[ "$compstate[list]" != list* ]] &&
           compstate[list]="$compstate[list] force"
     fi
-    unfunction compadd
+    [[ -n "$redef" ]] && unfunction compadd
     compstate[pattern_match]="$opm"
 
     return 0
@@ -91,7 +94,7 @@ while [[ _comp_correct -le comax ]]; do
   (( _comp_correct++ ))
 done
 
-unfunction compadd
+[[ -n "$redef" ]] && unfunction compadd
 compstate[pattern_match]="$opm"
 
 return 1
diff --git a/Completion/Core/_match b/Completion/Core/_match
index 18dab7423..3059935d8 100644
--- a/Completion/Core/_match
+++ b/Completion/Core/_match
@@ -9,7 +9,7 @@
 # expand-or-complete function because otherwise the pattern will
 # be expanded using globbing.
 
-[[ _matcher_num -gt 1 ]] && return 1
+### Shouldn't be needed any more: [[ _matcher_num -gt 1 ]] && return 1
 
 local tmp opm="$compstate[pattern_match]" ret=0 orig ins
 
diff --git a/Completion/Core/_oldlist b/Completion/Core/_oldlist
index bcb3e148a..e28a66d83 100644
--- a/Completion/Core/_oldlist
+++ b/Completion/Core/_oldlist
@@ -13,7 +13,8 @@ zstyle -s ":completion:${curcontext}:" old-list list
 # Do this also if there is an old list and it was generated by the
 # completer named by the oldlist_list key.
 
-if [[ -n $compstate[old_list] && $list != never ]]; then
+if [[ -n $compstate[old_list] && $list != never &&
+      $LASTWIDGET != _complete_help ]]; then
   if [[ $WIDGET = *list* && ( $list = always || $list != shown ) ]]; then
     compstate[old_list]=keep
     return 0
@@ -33,8 +34,10 @@ fi
 # and the style :oldlist:old-menu is `true', then we cycle through the
 # existing list (even if it was generated by another widget).
 
-if [[ -z $compstate[old_insert] && -n $compstate[old_list] ]]; then
+if [[ -z $compstate[old_insert] && -n $compstate[old_list] &&
+      $LASTWIDGET != _complete_help ]]; then
   compstate[old_list]=keep
+  return 0
 elif [[ $WIDGET = *complete(|-prefix|-word) ]] &&
      zstyle -t ":completion:${curcontext}:" old-menu; then
   if [[ -n $compstate[old_insert] ]]; then
-- 
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