From 7810d7a9fe033d74b95797850f5d41991d45b66f Mon Sep 17 00:00:00 2001
From: Johannes Rieken <johannes.rieken@gmail.com>
Date: Tue, 29 Nov 2016 15:51:54 +0100
Subject: [PATCH] backslash escapes backslash, #16212

---
 src/vs/editor/contrib/snippet/common/snippetParser.ts        | 2 +-
 .../editor/contrib/snippet/test/common/snippetParser.test.ts | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/vs/editor/contrib/snippet/common/snippetParser.ts b/src/vs/editor/contrib/snippet/common/snippetParser.ts
index 9bc94c69915..a29f1a02f46 100644
--- a/src/vs/editor/contrib/snippet/common/snippetParser.ts
+++ b/src/vs/editor/contrib/snippet/common/snippetParser.ts
@@ -373,7 +373,7 @@ export class SnippetParser {
 			if (// Internal style
 				(this._enableInternal && (this._accept(TokenType.CurlyOpen) || this._accept(TokenType.CurlyClose) || this._accept(TokenType.Backslash)))
 				// TextMate style
-				|| (this._enableTextMate && (this._accept(TokenType.Dollar) || this._accept(TokenType.CurlyClose)))
+				|| (this._enableTextMate && (this._accept(TokenType.Dollar) || this._accept(TokenType.CurlyClose) || this._accept(TokenType.Backslash)))
 			) {
 				// just consume them
 			}
diff --git a/src/vs/editor/contrib/snippet/test/common/snippetParser.test.ts b/src/vs/editor/contrib/snippet/test/common/snippetParser.test.ts
index 33c90427276..d6d1907651d 100644
--- a/src/vs/editor/contrib/snippet/test/common/snippetParser.test.ts
+++ b/src/vs/editor/contrib/snippet/test/common/snippetParser.test.ts
@@ -281,4 +281,9 @@ suite('SnippetParser', () => {
 		assert.equal((<Text>(<Placeholder>p2).defaultValue[0]), 'err');
 
 	});
+
+	test('backspace esapce in TM only, #16212', () => {
+		const actual = new SnippetParser(true, false).escape('Foo \\\\${abc}bar');
+		assert.equal(actual, 'Foo \\bar');
+	});
 });
-- 
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