function body $$ with spaces and comments afterwards

Author: Dominik Gehlich

PostgreSQL.tmLanguage

@@ -95,7 +95,7 @@
 			<array>
 				<dict>
 					<key>begin</key>
-					<string>(\$[\w_0-9]*\$)$</string>
+					<string>(\$[\w_]*\$)(?=[^\$]*$)</string>
 					<key>beginCaptures</key>
 					<dict>
 						<key>1</key>
@@ -105,7 +105,11 @@
 						</dict>
 					</dict>
 					<key>comment</key>
-					<string>Assume multiline dollar quote is SQL; start if quote is at the end of the line.</string>
+					<string>Assume multiline dollar quote is SQL body!
+						Start if double dollor quote is followed by no dollor quote till line ending.
+						See match for dollar quotes as string: string.unquoted.dollar.pgsql
+						This could easily support other PL languages like PHP and Ruby -- see PHP heredoc as an example.
+					</string>
 					<key>contentName</key>
 					<string>meta.dollar-quote.pgsql</string>
 					<key>end</key>
@@ -558,9 +562,12 @@
 				</dict>
 				<dict>
 					<key>begin</key>
-					<string>(\$[\w_0-9]*\$)</string>
+					<string>(\$[\w_]*\$)</string>
 					<key>comment</key>
-					<string>Color as a string if dollar quote did not start at the end of a line.</string>
+					<string>
+						Color dollar double quotes as a string if in one line.
+						No multiline supported because function body is with dollar quotes, see meta.dollar-quote.pgsql.
+					</string>
 					<key>end</key>
 					<string>\1</string>
 					<key>name</key>