Function isDecimalNumber

static/editor.md/lib/codemirror/mode/scheme/scheme.js:59–64

(stream, backup)

    }

    function isDecimalNumber (stream, backup) {
        if (backup === true) {
            stream.backUp(1);
        }
        return stream.match(decimalMatcher);
    }

    function isHexNumber (stream) {
        return stream.match(hexMatcher);