Google Docs exports automatically infected with tracking links: 

txt  - unaffected
html + AFFECTED
odt  - unaffected
pdf  - unaffected
epub + AFFECTED
rtf  - unaffected
docx - unaffected

sample web html <a> tag:
<a class="c4" href="https://www.google.com/url?q=https://wikimediafoundation.org/&amp;sa=D&amp;source=editors&amp;ust=1696089933805520&amp;usg=AOvVaw2ypOvslXzoEGwdryv4bFyJ">https://wikimediafoundation.org/</a>

sample epub xhtml <a> tag:
<a class="c5" href="https://www.google.com/url?q=https://wikimediafoundation.org/&amp;sa=D&amp;source=editors&amp;ust=1696087392161966&amp;usg=AOvVaw1v4xpIFWD9GYkMFifXd1uo">https://wikimediafoundation.org/</a> 

 @461d0168