* list of attribute names, <code>false</code> otherwise
*/
private boolean isAttributeNameForValueInArray(String[] attributeNames, ITextRegion attrValueRegion, int offset) {
IStructuredDocumentRegion node = fStructuredDocument.getRegionAtCharacterOffset(offset);
ITextRegionList regionList = node.getRegions();
int currentIndex = regionList.indexOf(attrValueRegion);
/*
* 4 is the minimum index allowing for the tag's open, name, attribute
* name and equals character to appear first
*/