unicode: remove an extra space
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/7856044
diff --git a/src/pkg/unicode/tables.go b/src/pkg/unicode/tables.go
index 36b5a31..939c41d 100644
--- a/src/pkg/unicode/tables.go
+++ b/src/pkg/unicode/tables.go
@@ -2864,7 +2864,7 @@
Lo = _Lo // Lo is the set of Unicode characters in category Lo.
Lower = _Ll // Lower is the set of Unicode lower case letters.
Ll = _Ll // Ll is the set of Unicode characters in category Ll.
- Mark = _M // Mark/M is the set of Unicode mark characters, category M.
+ Mark = _M // Mark/M is the set of Unicode mark characters, category M.
M = _M
Mc = _Mc // Mc is the set of Unicode characters in category Mc.
Me = _Me // Me is the set of Unicode characters in category Me.
