'latexdiff-vc -p preamble-file' not passing the argument to 'latexdiff'

[xlucn]

If I run latexdiff-vc -p preamble-file ..., latexdiff-vc will think of preamble-file as its own argument and not passing it to latexdiff. Maybe some other options also share this issue.

Fortunately for now, this works: latexdiff-vc --preamble=preamble-file .... Maybe requiring only --long-option=argument style for latexdiff options would be a simple solve :)