pdfrender: clipping modes clip also following text

[u-fischer]

\documentclass{article}
\usepackage{color,pdfrender}
\begin{document}

Wrong: \textpdfrender {TextRenderingMode=4}{Text\llap{\textcolor{red}{\rule{3cm}{0.4cm}}}} 
%Works: \pdfliteral page {q}\textpdfrender {TextRenderingMode=4}{Text\llap{\textcolor{red}{\rule{3cm}{0.4cm}}}\pdfliteral page {Q}} 

blub

\end{document}

Source: https://tex.stackexchange.com/a/551741/2388

This perhaps needs special commands.