public static SafeHtml from(Character c) {
        if (c == null) {
            return SafeHtmlUtils.EMPTY_SAFE_HTML;
        }
        return SafeHtmlUtils.fromTrustedString(SafeHtmlUtils.htmlEscape(c));
    }
@return Text coloured grey if enabled is false
stroom-core-client-widget/src/main/java/stroom/widget/util/client/SafeHtmlUtil.java