[PATCH 1/2] userdiff: support C# async methods and correct C# keywords

[Sup Yut Sum <ch3cooli@gmail.com>]

async is in C# 5.0
foreach is in C# 1.0
instanceof is in Java. The similar keywords are typeof, is, as in C# 1.0
default, try are in C# 1.0

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
---
 userdiff.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/userdiff.c b/userdiff.c
index fad52d6..96eda6c 100644
--- a/userdiff.c
+++ b/userdiff.c
@@ -134,9 +134,9 @@ PATTERNS("cpp",
 	 "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*"),
 PATTERNS("csharp",
 	 /* Keywords */
-	 "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n"
+	 "!^[ \t]*(do|while|for|foreach|if|else|typeof|is|as|new|return|switch|case|default|throw|try|catch|using)\n"
 	 /* Methods and constructors */
-	 "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[<>@._[:alnum:]]+[ \t]*\\(.*\\))[ \t]*$\n"
+	 "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe|async)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[<>@._[:alnum:]]+[ \t]*\\(.*\\))[ \t]*$\n"
 	 /* Properties */
 	 "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[@._[:alnum:]]+)[ \t]*$\n"
 	 /* Type definitions */
-- 
1.9.1