From 19ab789a37ce429550ee8ca6e20f00111ff76b54 Mon Sep 17 00:00:00 2001
From: Adriaan Moors <adriaan.moors@typesafe.com>
Date: Tue, 11 Mar 2014 16:44:50 -0700
Subject: SI-4583 UnicodeEscape does not allow multiple backslashes

---
 03-lexical-syntax.md | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/03-lexical-syntax.md b/03-lexical-syntax.md
index 28919f8b14..30b4ffdade 100644
--- a/03-lexical-syntax.md
+++ b/03-lexical-syntax.md
@@ -11,11 +11,18 @@ to Scala mode, and literal characters ‘c’ refer to the ASCII fragment
 In Scala mode, _Unicode escapes_ are replaced by the corresponding
 Unicode character with the given hexadecimal code.
 
-``` 
-UnicodeEscape ::= \{\\}u{u} hexDigit hexDigit hexDigit hexDigit
+```
+UnicodeEscape ::= ‘\‘‘u‘{‘u‘} hexDigit hexDigit hexDigit hexDigit
 hexDigit      ::= ‘0’ | … | ‘9’ | ‘A’ | … | ‘F’ | ‘a’ | … | ‘f’
 ```
 
+<!--
+TODO SI-4583: UnicodeEscape used to allow additional backslashes,
+and there is something in the code `evenSlashPrefix` that alludes to it,
+but I can't make it work nor can I imagine how this would make sense,
+so I removed it for now.
+-->
+
 To construct tokens, characters are distinguished according to the following 
 classes (Unicode general category given in parentheses):
 
-- 
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