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Already tested that.

Hmm, seems to work when simply using it in a document but not in the class file.

I have another question regarding a problem with different references of figure and figure* environments. Should I post it in another thread?

Regards,
Jan

I have already tested \baslineskip and tried the other two but there was no effect in the document.

I had some success using for example
\setlength{\parskip}{1pt plus 1pt minus 1pt}
but I appreciate to use something like
\setlength{\parskip}{1pt plus 1pt minus 0.5pt}
but the use of decimal ...

Hello everyone and sorry for the complicated title, didn't know how to say it better.

My problem:
I wrote a class file for a scientific journal using a two-column layout. But testing showed that there is a problem with the adjustment of vertical space as the spaces between paragraphs sometimes ...