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My python code opens a subprocess which in turn calls vimdiff and :toHTML.

Snippet added below:

subprocess.check_call(
            [
                "vimdiff",
                oldfileresultnameafterrename,
                build_xml_path,
                "-c",
                ":se nu | TOhtml | w! "+oldfileresultnameafterrename+".html | qa!"
            ]

In CentOS, it generates an HTML output and everything works as expected. Now I'm migrating to Ubuntu and the same command generates a HTML5 page.

Is there a way, I can generate a HTML page similar to the one generated in CentOS?

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  • I suspect both distribution to not use the same version of Vim. Can you tell us what is the output of :version Vim command on both systems? Commented Dec 28, 2023 at 8:33
  • 2
    Hi, CentOS VIM - Vi IMproved 7.4 and Ubuntu VIM - Vi IMproved 8.2 Commented Dec 28, 2023 at 9:31

1 Answer 1

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0

The two Vims are probably two different versions, with two different versions of the :TOhtml script. Compare the output of $ vim --version in both environments to make sure.

Anyway, the version I currently use (9.0_v2 in Vim 9.0.1897) exposes the :help g:html_use_css option which, rather unintuitively, switches the rendered HTML to 4.01:

" option
:let g:html_use_css = 0

" output
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
[…]

" option (default value)
:let g:html_use_css = 1

" output
<!DOCTYPE html>
[…]

If I were you I would try to convince the maintainer of that script to refactor it a bit for clarity. Something like g:html_use_html5 would be so much better.

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2
  • CentOS is running on Vim 7.4 and Ubuntu on 8.2, I upgraded it to version 9.0 and added let g:html_use_css = 0 in the Vimrc. Now the HTML generated is missing the CSS, which was required to find the element using XPATH. Commented Dec 28, 2023 at 10:46
  • Well… it looks like you are left with playing with the options under :help :tohtml and/or opening an issue in Vim's issue tracker. Commented Dec 28, 2023 at 10:50

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