diff --git a/git.git-authors b/git.git-authors
index 9620844a9..7e53d66a9 100644
--- a/git.git-authors
+++ b/git.git-authors
@@ -40,6 +40,7 @@
 #
 ok	Adam Simpkins <adam@adamsimpkins.net> (http transport)
 ok	Adrian Johnson <ajohnson@redneon.com>
+ok	Alexey Shumkin <alex.crezoff@gmail.com>
 ok	Andreas Ericsson <ae@op5.se>
 ok	Boyd Lynn Gerber <gerberb@zenez.com>
 ok	Brandon Casey <drafnel@gmail.com>
@@ -64,6 +65,7 @@ ok	Nicolas Pitre <nico@fluxnic.net> <nico@cam.org>
 ok	Paolo Bonzini <bonzini@gnu.org>
 ok	Paul Kocher <paul@cryptography.com>
 ok	Peter Hagervall <hager@cs.umu.se>
+ok	Petr Onderka <gsvick@gmail.com>
 ok	Pierre Habouzit <madcoder@debian.org>
 ok	Pieter de Bie <pdebie@ai.rug.nl>
 ok	René Scharfe <rene.scharfe@lsrfire.ath.cx>
diff --git a/src/userdiff.h b/src/userdiff.h
index a4f3686ad..1f2318507 100644
--- a/src/userdiff.h
+++ b/src/userdiff.h
@@ -94,6 +94,16 @@ PATTERNS("objc",
 	 "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
 	 "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
 
+PATTERNS("pascal",
+	 "^(((class[ \t]+)?(procedure|function)|constructor|destructor|interface|"
+		"implementation|initialization|finalization)[ \t]*.*)$"
+	 "\n"
+	 "^(.*=[ \t]*(class|record).*)$",
+	 /* -- */
+	 "[a-zA-Z_][a-zA-Z0-9_]*"
+	 "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
+	 "|<>|<=|>=|:=|\\.\\."),
+
 PATTERNS("perl",
 	 "^package .*\n"
 	 "^sub [[:alnum:]_':]+[ \t]*"
@@ -154,6 +164,22 @@ PATTERNS("cpp",
 	 "[a-zA-Z_][a-zA-Z0-9_]*"
 	 "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
 	 "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
+
+PATTERNS("csharp",
+	 /* Keywords */
+	 "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n"
+	 /* Methods and constructors */
+	 "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \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 */
+	 "^[ \t]*(((static|public|internal|private|protected|new|unsafe|sealed|abstract|partial)[ \t]+)*(class|enum|interface|struct)[ \t]+.*)$\n"
+	 /* Namespace */
+	 "^[ \t]*(namespace[ \t]+.*)$",
+	 /* -- */
+	 "[a-zA-Z_][a-zA-Z0-9_]*"
+	 "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
+	 "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
 };
 
 #undef IPATTERN