From 075c8529245c5cb4b51d5e86e4c20388dd1d76b5 Mon Sep 17 00:00:00 2001
From: Daniel Shahaf <d.s@daniel.shahaf.name>
Date: Tue, 14 Jul 2020 00:23:40 +0000
Subject: [PATCH] driver: Stop re-declaring $region_highlight. It's unneeded.
---
zsh-syntax-highlighting.zsh | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/zsh-syntax-highlighting.zsh b/zsh-syntax-highlighting.zsh
index 6c95e8c..d27d2cb 100644
--- a/zsh-syntax-highlighting.zsh
+++ b/zsh-syntax-highlighting.zsh
@@ -76,6 +76,13 @@ _zsh_highlight()
# Make it read-only. Can't combine this with the previous line when POSIX_BUILTINS may be set.
typeset -r ret
+ # $region_highlight should be predefined, either by zle or by the test suite's mock (non-special) array.
+ (( ${+region_highlight} )) || {
+ echo >&2 'zsh-syntax-highlighting: error: $region_highlight is not defined'
+ echo >&2 'zsh-syntax-highlighting: (Check whether zsh-syntax-highlighting was installed according to the instructions.)'
+ return $ret
+ }
+
# Remove all highlighting in isearch, so that only the underlining done by zsh itself remains.
# For details see FAQ entry 'Why does syntax highlighting not work while searching history?'.
# This disables highlighting during isearch (for reasons explained in README.md) unless zsh is new enough
@@ -118,7 +125,6 @@ _zsh_highlight()
[[ $PENDING -gt 0 ]] && return $ret
# Reset region highlight to build it from scratch
- typeset -ga region_highlight
region_highlight=();
{