wrong dimensions when no \header present about ly2video HOT 4 OPEN

The workaround is obviously to add a \header.

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As noted by @jstma:

lilypond does not complain when there are duplicate '\header' blocks. The last one to appear will override any of those preceding. So it should be simple for ly2video to append a bit of text to the input file.

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As noted by @aspiers:

I figured out some of the layout issues. One is that tagline needs to be set to ##f in the \header of the LilyPond source to avoid that version footer from appearing. ly2video does this automatically, unless \header is missing (see #30). However I added 5d78897 which I thought fixed this a different way, except now I can't get it to appear even when I revert that change.

I pulled the latest changes (you've been busy!) and ran some headerless tests. No tagline was produced. If I comment out your changes in 5d78897, the tagline reappears.

It's quite confusing to test the changes because ly2video must be reinstalled each time. But I make changes and then run ly2video/cli.py directly so it's easy to do a/b tests that way.

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I pulled the latest changes (you've been busy!) and ran some headerless tests. No tagline was produced. If I comment out your changes in 5d78897, the tagline reappears.

That's weird, I did the same and it didn't reappear like I expected it to. Must have changed some other variable at the same time.

It's quite confusing to test the changes because ly2video must be reinstalled each time. But I make changes and then run ly2video/cli.py directly so it's easy to do a/b tests that way.

Makes sense!

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