From 70e83b27444da31d6367a0aa447a216836eafc05 Mon Sep 17 00:00:00 2001
From: Wliu <50Wliu@users.noreply.github.com>
Date: Wed, 24 May 2017 23:06:35 -0400
Subject: [PATCH] Do not tokenize escaped semicolons as comments

Fixes #45
---
 grammars/clojure.cson    | 2 +-
 spec/clojure-spec.coffee | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/grammars/clojure.cson b/grammars/clojure.cson
index 05d238c..f50609c 100644
--- a/grammars/clojure.cson
+++ b/grammars/clojure.cson
@@ -86,7 +86,7 @@
 'repository':
   'comment':
     # NOTE: This must be kept as a begin/end match for language-todo to work
-    'begin': ';'
+    'begin': '(?<!\\\\);'
     'beginCaptures':
       '0':
         'name': 'punctuation.definition.comment.clojure'
diff --git a/spec/clojure-spec.coffee b/spec/clojure-spec.coffee
index 111aa46..2528dec 100644
--- a/spec/clojure-spec.coffee
+++ b/spec/clojure-spec.coffee
@@ -12,11 +12,16 @@ describe "Clojure grammar", ->
     expect(grammar).toBeDefined()
     expect(grammar.scopeName).toBe "source.clojure"
 
-  it "tokenizes semi-colon comments", ->
+  it "tokenizes semicolon comments", ->
     {tokens} = grammar.tokenizeLine "; clojure"
     expect(tokens[0]).toEqual value: ";", scopes: ["source.clojure", "comment.line.semicolon.clojure", "punctuation.definition.comment.clojure"]
     expect(tokens[1]).toEqual value: " clojure", scopes: ["source.clojure", "comment.line.semicolon.clojure"]
 
+  it "does not tokenize escaped semicolons as comments", ->
+    {tokens} = grammar.tokenizeLine "\\; clojure"
+    expect(tokens[0]).toEqual value: "\\; ", scopes: ["source.clojure"]
+    expect(tokens[1]).toEqual value: "clojure", scopes: ["source.clojure", "meta.symbol.clojure"]
+
   it "tokenizes shebang comments", ->
     {tokens} = grammar.tokenizeLine "#!/usr/bin/env clojure"
     expect(tokens[0]).toEqual value: "#!", scopes: ["source.clojure", "comment.line.shebang.clojure", "punctuation.definition.comment.shebang.clojure"]