question: private boolean isCssPartition ( ITextRegion textRegion , int offset ) { if ( CSS_DISALLOWED_TYPES . contains ( textRegion . getType ( ) ) ) { return false ; } IStructuredDocumentRegion region = fStructuredDocument . getRegionAtCharacterOffset ( offset ) ; IStructuredDocumentRegion tagOpenRegion = SseUtilities . findStructuredDocumentRegion ( OPEN_TYPES , CLOSED_TYPES , region , false ) ; if ( tagOpenRegion == null ) { return false ; } return isStyleElement ( tagOpenRegion ) ; }
target:  Determines whether the given XML model-backed region is an inlined CSS partition.