test

        std::string url = curreq.getRequestURL();

        std::string prefix = _config.getPrefix();

        // Normalize the prefix to have no trailing slash so that stripping it

        // always leaves a leading slash on the remaining path. Without this a

        // configured prefix of "/editor/" would turn "/editor/css/editor.css"

        // into "css/editor.css" (no leading slash) and break path resolution.

        if (prefix.size() > 1 && prefix.back() == '/')

            prefix.pop_back();

        // When mounted behind a proxy prefix (e.g. /editor) the browser must

        // see a trailing slash, otherwise relative asset URLs (css/editor.css,

        // js/i18n.js) resolve against the parent path and bypass the prefix.