Don't highlight line following empty document comments. Fixes #23

Author: jhasse

Rust.JSON-tmLanguage

@@ -87,7 +87,7 @@
      "match": "([0-9][0-9_]*(f32|f64|f))|([0-9][0-9_]*([eE][+-]=[0-9_]+))|([0-9][0-9_]*([eE][+-]=[0-9_]+)(f32|f64|f))|([0-9][0-9_]*\\.[0-9_]+)|([0-9][0-9_]*\\.[0-9_]+(f32|f64|f))|([0-9][0-9_]*\\.[0-9_]+%([eE][+-]=[0-9_]+))|([0-9][0-9_]*\\.[0-9_]+%([eE][+-]=[0-9_]+)(f32|f64|f))"
     },
     {"name": "comment.line.documentation.source.rust",
-     "begin": "//[!/][^/].*",
+     "begin": "//[!/][^/\\n].*",
      "end": "$\\n"
     },
     {"name": "comment.line.double-dash.source.rust",

Rust.tmLanguage

@@ -207,7 +207,7 @@
 		</dict>
 		<dict>
 			<key>begin</key>
-			<string>//[!/][^/].*</string>
+			<string>//[!/][^/\n].*</string>
 			<key>end</key>
 			<string>$\n</string>
 			<key>name</key>