I am attempting to swap out the numerals in an existing monospace font (ttf) with some from a different monospace font (also ttf).

I can't seem to get fontforge to export a mono ttf though. Even just opening the font I want to modify and immediately exporting it results in a non-mono flagged font that can't be loaded into gVim. Is there another tool that can be used for this?

  • 1
    Does this help? fontforge.github.io/faq.html#monospace
    – Billy Kerr
    Jan 30 '19 at 1:38
  • Since I'm starting with an already working monospace font, the answer in the FAQ isn't helpful. Fontforge is either failing to flag it as mono or actually breaking something in the font when it is being loaded/saved to ttf.
    – Jared
    Jan 30 '19 at 5:30
  • Yes, but are all the glyphs exactly the same size, as they must be according to the help page?
    – Billy Kerr
    Jan 30 '19 at 11:22
  • I set all the glyphs to the same width and was able to export a monospaced font. I'm not convinced that this isn't an issue with Fontforge though, as I tried with several different monospaced fonts and had to manually fix the widths in order to export correctly. Thanks for your help.
    – Jared
    Jan 31 '19 at 4:11
  • Yeah, that's why I posted the link, because that is what it implies you would need to do. So, there is nothing wrong with fontforge, it's working exactly as it should according to the documentation.
    – Billy Kerr
    Jan 31 '19 at 9:45

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