From 65a42c551d0dd2f2929290ae85249203c610efc6 Mon Sep 17 00:00:00 2001
From: James Allen <james@sharelatex.com>
Date: Wed, 3 Feb 2016 10:18:34 +0000
Subject: [PATCH] Update \documentclass regex so that it does match on
 '\documentclass{...} % comment with \documentclass'

---
 .../public/coffee/ide/pdf/controllers/PdfController.coffee    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/services/web/public/coffee/ide/pdf/controllers/PdfController.coffee b/services/web/public/coffee/ide/pdf/controllers/PdfController.coffee
index f7e8ec0f35..1d834e4399 100644
--- a/services/web/public/coffee/ide/pdf/controllers/PdfController.coffee
+++ b/services/web/public/coffee/ide/pdf/controllers/PdfController.coffee
@@ -109,8 +109,8 @@ define [
 			doc = ide.editorManager.getCurrentDocValue()
 			return null if !doc?
 			for line in doc.split("\n")
-				match = line.match /(.*)\\documentclass/
-				if match and !match[1].match /%/
+				match = line.match /^[^%]*\\documentclass/
+				if match
 					return ide.editorManager.getCurrentDocId()
 			return null