function updateIndent() {
            var str = ''
            for (var idx = 0; idx < this.indentLevel; idx++) {
                str += this.indentUnit
            }
            this.currentIndent = str
        }
function updateIndent() {
            var str = ''
            for (var idx = 0; idx < this.indentLevel; idx++) {
                str += this.indentUnit
            }
            this.currentIndent = str
        }
function updateIndent ( ) { var str = '' for ( var idx = 0 ; idx < this . indentLevel ; idx ++ ) { str += this . indentUnit } this . currentIndent = str }
updates current indentation spaces depending on current indentation level
updates current indentation spaces depending on current indentation level