From 8046c33b540436286e47e23e828c982ab567097b Mon Sep 17 00:00:00 2001
From: Daniel Shahaf <danielsh@apache.org>
Date: Sat, 20 Jan 2018 00:36:16 +0000
Subject: [PATCH] 'main': Do not expand special parameters.  Fixes #489.
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Adding «(e)» to the first subscript is a no-op: the subscript is known
to be safe due to the previous line.
---
 highlighters/main/main-highlighter.zsh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/highlighters/main/main-highlighter.zsh b/highlighters/main/main-highlighter.zsh
index b8ed1a5..5e03d1a 100644
--- a/highlighters/main/main-highlighter.zsh
+++ b/highlighters/main/main-highlighter.zsh
@@ -493,7 +493,7 @@ _zsh_highlight_highlighter_main_paint()
         local MATCH; integer MBEGIN MEND
         if [[ $res == none ]] && (( ${+parameters} )) &&
            [[ ${arg[1]} == \$ ]] && [[ ${arg:1} =~ ^([A-Za-z_][A-Za-z0-9_]*|[0-9]+)$ ]] &&
-           (( ${+parameters[${MATCH}]} ))
+           (( ${+parameters[(e)${MATCH}]} )) && [[ ${parameters[(e)$MATCH]} != *special* ]]
            then
           _zsh_highlight_main__type ${(P)MATCH}
           res=$REPLY