Hi Wojtek, > The .tmp file is multipurpose. > > After the latex run the .tmp file contains \def \Jobname{a} but further > processing by make4ht internal routines changes the content to > > /* css.sty */
I've changed the latexmk extension to save contents of the .tmp file before tex4ht execution. It then restores it's content. It seems to solve the latexmk issues. Best regards, Michal