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Re: [Heirloom] Using the Symbola font in Heirloom troff
From: |
T. Kurt Bond |
Subject: |
Re: [Heirloom] Using the Symbola font in Heirloom troff |
Date: |
Tue, 4 Aug 2020 15:59:03 -0400 |
And if I add "and explicit unicode character reference \U'1F0A1'" to the
file, that character doesn't show up either.
On Tue, Aug 4, 2020 at 2:47 PM Richard Morse <pukku@mac.com> wrote:
> According to the Heirloom Troff manual, I think that you cannot just
> insert Unicode characters (although maybe if your LC* environment variables
> are set correctly, you can?). It says:
>
> > Both nroff and troff allow references to specific Unicode characters
> with the \U'X' escape sequence;
> > it causes the character at position U+X to be printed (X is a
> hexadecimal number). For troff,
> > it is required that this character is available in one of the fonts
> mounted at this point.
> > As an example, \U'20AC' prints the Euro character €. When register .g is
> set to 1 Unicode
> > characters can also be accessed with \[uXXXX] where XXXX is a four digit
> hexadecimal number.
>
> So I think you would need to use `\U'1F0A1'` for the character to show up?
>
> Ricky
>
>
> > On Aug 4, 2020, at 12:28 PM, T. Kurt Bond <tkurtbond@gmail.com> wrote:
> >
> > (The heirloom-doctools README.md
> > <https://github.com/n-t-roff/heirloom-doctools/blob/master/README.md>
> says
> > to ask Heirloom doctools questions on this list.)
> >
> > I'd like to use the Symbola font in Heirloom troff. I tried the
> following:
> >
> > .do xflag 3
> > .\" fp 5 Optima Optima-Regular ttf
> > .fp 5 Symbola Symbola otf
> > .LP
> > Here is some normal text.
> > .\" PLAYING CARD ACE OF SPACES is Unicode 0x1F0A1
> > .ft Symbola
> > 🂡 And some normal text. ❊
> > .ft P
> > More normal text.
> >
> > That's a literal PLAYING CARD ACE OF SPADES Unicode character at the
> start
> > of the line between the two .ft requests. That character does not show
> up
> > in the troff output, even through the EIGHT TEARDROP-SPOKED PROPELLER
> > ASTERISK Unicode character at the end of the line *does* show up,
> > as CPSuni274A where the CPS<name> outputs the character of that name.
> The
> > Symbola font is embedded in the PDF output (created from the PostScript
> > output), and the text "And some normal text" and the EIGHT
> TEARDROP-SPOKED
> > PROPELLER ASTERISK Unicode character are in the Symbola font in the troff
> > output.
> >
> > However, if I manually add a CPSuni1F0A1 to the troff output, *that*
> character
> > *does* show up.
> >
> > Any ideas as to why the literal PLAYING CARD ACE OF SPADES Unicode
> > character in the document source is being ignored and not written to the
> > troff output?
> >
> > I actually have a document that needs to use the PLAYING CARD ACE OF
> SPADES
> > Unicode character. The ultimate goal is to have the Symbola font used
> as a
> > fallback font, which should happen automatically in Heirloom troff, since
> > it searches all the fonts when a font is missing a character, but I made
> > the example use the Symbola font directly because that shows the problem
> > directly.
> >
> > --
> > T. Kurt Bond, tkurtbond@gmail.com, https://tkurtbond.github.io
>
>
--
T. Kurt Bond, tkurtbond@gmail.com, https://tkurtbond.github.io
- [Heirloom] Using the Symbola font in Heirloom troff, T. Kurt Bond, 2020/08/04
- Re: [Heirloom] Using the Symbola font in Heirloom troff, Richard Morse, 2020/08/04
- Re: [Heirloom] Using the Symbola font in Heirloom troff,
T. Kurt Bond <=
- Re: [Heirloom] Using the Symbola font in Heirloom troff, Richard Morse, 2020/08/04
- Re: [Heirloom] Using the Symbola font in Heirloom troff, T. Kurt Bond, 2020/08/04
- Re: [Heirloom] Using the Symbola font in Heirloom troff, Richard Morse, 2020/08/04
- Re: [Heirloom] Using the Symbola font in Heirloom troff, John Gardner, 2020/08/05
- Re: [Heirloom] Using the Symbola font in Heirloom troff, T. Kurt Bond, 2020/08/05
- Re: [Heirloom] Using the Symbola font in Heirloom troff, John Gardner, 2020/08/05
- Re: [Heirloom] Using the Symbola font in Heirloom troff, T. Kurt Bond, 2020/08/05
- Re: [Heirloom] Using the Symbola font in Heirloom troff, T. Kurt Bond, 2020/08/05
- Re: [Heirloom] Using the Symbola font in Heirloom troff, John Gardner, 2020/08/05
- Re: [Heirloom] Using the Symbola font in Heirloom troff, Richard Morse, 2020/08/05