From 5fbee7b562274cee955d2b8ba47fc84d04449059 Mon Sep 17 00:00:00 2001
From: Robert Alessi <alessi@robertalessi.net>
Date: Sun, 2 Apr 2017 11:13:12 +0200
Subject: new \Cap command that does the same as \cap but is never discarded;
 it is used internally to protect \cap when it is necessary

---
 arabluatex.lua | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'arabluatex.lua')

diff --git a/arabluatex.lua b/arabluatex.lua
index c71fe10..8644588 100644
--- a/arabluatex.lua
+++ b/arabluatex.lua
@@ -157,6 +157,11 @@ local function takeoutabjad(str)
 end
 
 local function takeoutcapetc(str)
+   str = string.gsub(str, "(\\arb.?%[trans%])(%b{})", function(tag, body)
+			body = string.sub(body, 2, -2)
+			body = string.gsub(body, "(\\cap%s?)(%b{})", "\\Cap%2")
+			return string.format("%s{%s}", tag, body)
+   end)
    str = string.gsub(str, "(\\cap.?)(%b{})", function(tag, body)
 			body = string.sub(body, 2, -2)
 			return string.format("%s", body)
-- 
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