Updaiting re2 to the re2-20130115.
Updating RE2 to latest from:
https://re2.googlecode.com/files/re2-20130115.tgz
Change-Id: I0b2527af4443bf8815db2c78ef14f6edfe3ecb37
diff --git a/doc/syntax.txt b/doc/syntax.txt
index 740e5ce..f940750 100644
--- a/doc/syntax.txt
+++ b/doc/syntax.txt
@@ -2,7 +2,7 @@
-------------------------------------
Single characters:
-. any character, including newline (s=true)
+. any character, possibly including newline (s=true)
[xyz] character class
[^xyz] negated character class
\d Perl character class
@@ -60,7 +60,7 @@
Flags:
i case-insensitive (default false)
-m multi-line mode: ^ and $ match begin/end line in addition to begin/end text (default false)
+m multi-line mode: «^» and «$» match begin/end line in addition to begin/end text (default false)
s let «.» match «\n» (default false)
U ungreedy: swap meaning of «x*» and «x*?», «x+» and «x+?», etc (default false)
Flag syntax is «xyz» (set) or «-xyz» (clear) or «xy-z» (set «xy», clear «z»).