show no error if // follows an operator

Author: pgfearo

sample/sat.xsl

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                 version="3.0">
-    <xsl:sequence select="self::*:col"/>
+    <xsl:sequence select="(//(and))"/>
 </xsl:stylesheet>

src/xsltTokenDiagnostics.ts

@@ -981,7 +981,7 @@ export class XsltTokenDiagnostics {
 											) {
 											// allow: ) !=
 											isXPathError = tv === '*:';
-										} else if (tv === '*:') {
+										} else if (tv === '*:' || tv === '//') {
 											isXPathError = false;
  										} else if (!((tv === '{}' && (pv === 'map' || pv === 'array')) || tv === '()' || tv === '[]')) {
 											isXPathError = true;