From f73f3d53d3a6cc27e63e7008f7437d0f41f5b484 Mon Sep 17 00:00:00 2001
From: Matthew Martin <phy1729@gmail.com>
Date: Wed, 20 Jan 2016 00:38:44 -0600
Subject: [PATCH] 'brackets': Allow unset ZSH_HIGHLIGHT_STYLES

Without this when bracket_color_size is 0,
    $(( (levelpos[$pos] - 1) % bracket_color_size + 1 ))
errors with division by zero.
---
 highlighters/brackets/brackets-highlighter.zsh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/highlighters/brackets/brackets-highlighter.zsh b/highlighters/brackets/brackets-highlighter.zsh
index f8db178..cd5e7cc 100644
--- a/highlighters/brackets/brackets-highlighter.zsh
+++ b/highlighters/brackets/brackets-highlighter.zsh
@@ -76,7 +76,9 @@ _zsh_highlight_brackets_highlighter()
   # Now highlight all found brackets
   for pos in ${(k)levelpos}; do
     if (( $+matching[$pos] )); then
-      style=bracket-level-$(( (levelpos[$pos] - 1) % bracket_color_size + 1 ))
+      if (( bracket_color_size )); then
+        style=bracket-level-$(( (levelpos[$pos] - 1) % bracket_color_size + 1 ))
+      fi
     else
       style=bracket-error
     fi