Ticket #4412: add TOML (Tom's Obvious Minimal Language) syntax highlighting.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

misc/syntax/Makefile.am

@@ -90,6 +90,7 @@ SYNTAXFILES =			\
 	syntax.syntax		\
 	tcl.syntax		\
 	texinfo.syntax		\
+	toml.syntax		\
 	ts.syntax		\
 	tt.syntax		\
 	unknown.syntax		\

misc/syntax/Syntax.in

@@ -328,5 +328,8 @@ include swift.syntax
 file ..\*\\.action$ Privoxy\sFile
 include privoxy.syntax
 
+file .\*\\.toml$ TOML\sFile
+include toml.syntax
+
 file .\* unknown
 include unknown.syntax

misc/syntax/toml.syntax

@@ -0,0 +1,22 @@
+# TOML: Tom's Obvious Minimal Language
+
+context default white
+
+# groups
+context [ \n brown
+    keyword [ yellow
+    keyword ] yellow
+
+# assignment
+context exclusive = \n write
+    keyword "*" brightgreen
+    keyword whole false brightcyan
+    keyword whole true brightcyan
+    keyword \{0123456789\} brightcyan
+
+# comments
+context # \n brown
+    spellcheck
+
+# other strings
+context " " brightgreen