question: is the iselectionempty or null ? concode_field_sep String DOT concode_elem_sep String SLASH_STRING concode_elem_sep char DOT_CHAR concode_elem_sep char SLASH_CHAR concode_field_sep void safeJoin concode_elem_sep void assertNotEmpty concode_elem_sep String slashAppend concode_elem_sep String slashAppend concode_elem_sep String dotAppend concode_elem_sep String dotAppend
target: boolean function ( ISelection arg0 ) { if ( ( arg0 == null ) || ( arg0 . isEmpty ( ) ) ) { return true ; } else { return false ; } }