match a well-formed heading as line 1, i.e., bracketed with matching …

…numbers of = signs
textmate · Jul 13, 2012 · 15c32d4 · 15c32d4
1 parent fcdd7a5
commit 15c32d4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Syntaxes/Mediawiki.tmLanguage b/Syntaxes/Mediawiki.tmLanguage
@@ -44,7 +44,7 @@
 		<string>wiki</string>
 	</array>
 	<key>firstLineMatch</key>
-	<string>(^\s*\={1,}(.*)=\s*$)|&lt;\!-- ?mediawiki ?--\&gt;</string>
+	<string>^(={1,5})(?!=)[^=]*(?=\1\s*$)|&lt;\!-- ?mediawiki ?--\&gt;</string>
 	<key>keyEquivalent</key>
 	<string>^~M</string>
 	<key>name</key>