diff --git a/PowerEditor/installer/functionList/sql.xml b/PowerEditor/installer/functionList/sql.xml
index 567adc663..cd517ccdb 100644
--- a/PowerEditor/installer/functionList/sql.xml
+++ b/PowerEditor/installer/functionList/sql.xml
@@ -11,15 +11,15 @@
 		<!-- ========================================================= [ PL/SQL ] -->
 		<parser id="plsql_function" displayName="PL/SQL" commentExpr="((/\*.*?\*)/|(//.*?$))">
 				<function
-				mainExpr="((PROCEDURE)|(FUNCTION))[\s]+[A-Za-z][\w_]*([\s]*\([^\)]*\)[\s]*)?(([\s]*;)|([\s]*([ia]s))|([\s]+(RETURN)([\s]+[\w%\.]+)+(([\s]*;)|([\s]+([ia]s)))))"
+				mainExpr="^[ \t]*((PROCEDURE)|(FUNCTION))[\s]+[A-Za-z][\w_]*([\s]*(?'open'\().*?(\)))?(([\s]*;)|([\s]*([ia]s)\s)|([\s]+(RETURN)([\s]+[\w%\.]+)+(([\s]*;)|([\s]+([ia]s)\s))))"
 				displayMode="$className->$functionName"
 			>
-				<functionName>
-					<nameExpr expr="[\s]+[A-Za-z][\w_]*([\s]*\([^\)]*\))?(([\s]*;)|([\s]*([ia]s))|([\s]+(RETURN)([\s]+[\w%\.]+)+(([\s]*;)|([\s]+([ia]s)))))"/>
-					<nameExpr expr="[A-Za-z][\w_]*([\s]*\([^\)]*\))?(([\s]*;)|([\s]*([ia]s))|([\s]+(RETURN)([\s]+[\w%\.]+)+(([\s]*;)|([\s]+([ia]s)))))"/>
+        <functionName>
+					<nameExpr expr="[\s]+[A-Za-z][\w_]*([\s]*(?'open'\().*?(\)))?(([\s]*;)|([\s]*([ia]s)\s)|([\s]+(RETURN)([\s]+[\w%\.]+)+(([\s]*;)|([\s]+([ia]s)\s))))"/>
+					<nameExpr expr="[A-Za-z][\w_]*([\s]*(?'open'\().*?(\)))?(([\s]*;)|([\s]*([ia]s)\s)|([\s]+(RETURN)([\s]+[\w%\.]+)+(([\s]*;)|([\s]+([ia]s)\s))))"/>
 					<nameExpr expr="[A-Za-z][\w_]*([\s]*\([^\)]*\))?(([\s]+(RETURN)([\s]+[\w%\.]+)+))*"/>
 				</functionName>
 			</function>
 		</parser>
 	</functionList>
-</NotepadPlus>
\ No newline at end of file
+</NotepadPlus>