Update modeline patterns to use github-linguist/linguist#5271

grammars/restructuredtext.cson

@@ -5,14 +5,18 @@ patterns: [ include: "#all" ]
 limitLineLength: no
 firstLineMatch: """(?x)
 	# Emacs modeline
-	-\\*-(?:\\s*(?=[^:;\\s]+\\s*-\\*-)|(?:.*?[;\\s]|(?<=-\\*-))mode\\s*:\\s*)
-		rst
-	(?=[\\s;]|(?<![-*])-\\*-).*?-\\*-
+	-\\*-(?i:[ \\t]*(?=[^:;\\s]+[ \\t]*-\\*-)|(?:.*?[ \\t;]|(?<=-\\*-))[ \\t]*mode[ \\t]*:[ \\t]*)
+		(?i:rst)
+	(?=[ \\t;]|(?<![-*])-\\*-).*?-\\*-
+
 	|
+
 	# Vim modeline
-	(?:(?:\\s|^)vi(?:m[<=>]?\\d+|m)?|\\sex)(?=:(?=\\s*set?\\s[^\\n:]+:)|:(?!\\s* set?\\s))(?:(?:\\s|\\s*:\\s*)\\w*(?:\\s*=(?:[^\\n\\\\\\s]|\\\\.)*)?)*[\\s:](?:filetype|ft|syntax)\\s*=
-		rst
-	(?=\\s|:|$)
+	(?:(?:^|[ \\t])(?:vi|Vi(?=m))(?:m[<=>]?[0-9]+|m)?|[ \\t]ex)(?=:(?=[ \\t]*set?[ \\t][^\\r\\n:]+:)|:(?![ \\t]*set?[ \\t]))
+	(?:(?:[ \\t]*:[ \\t]*|[ \\t])\\w*(?:[ \\t]*=(?:[^\\\\\\s]|\\\\.)*)?)*[ \\t:]
+	(?:filetype|ft|syntax)[ \\t]*=
+		(?i:rst)
+	(?=$|\\s|:)
 """
 injections:
 	"L:meta.numref.restructuredtext":