manpage not up to date about libtexprintf

[bartp5]

Yes I know, I already implemented this option. However, it seems I forgot to update the man page (sorry about that). The option is '-m'. Try:

utftex -m "a_{utc} < a_{ntp}"
a    < a
 utc    ntp

[cabo]

Thank you!
What works for me.
I now hardwired this option into kramdown-rfc (https://rfc.space).
What is the minimum utftex version I need to have for -m?

[bartp5]

I directly implemented it when I implemented together with the sub/superscript characters, that was version 1.21.

Somewhat off-topic but for your use case I would suggest to add the option -e (since version 1.22). Due to the command line option parsing, utftex has a problem with equations starting with a minus. To avoid utftex trying to parse an equation as an option, you can pass -e to end the option parser, e.g. without -e

utftex -m '-x=\int_a^b ...'
utftex: invalid option -- 'x'

and with -e

utftex -m -e '-x=\int_a^b ...'
    b
   ⌠
-x=⎮  ...
   ⌡
    a

[cabo]

Thank you for the hint. I noticed that I can pipe the formula to stdin as well? I like that somewhat better than shell-escaping it.

[cabo]

Oh, and while I have your attention:

enum_{acc} \approx 48 + \lfloor 2 \cdot log_{10} {acc \over \mathrm{s}} - \epsilon \rfloor

renders

                           acc
   enum    ≈48 + ⌊2 ⋅log   ──── - ϵ⌋
       acc              10  s

which is great except that ≈48 runs together. How do elicit some space?

[cabo]

And one more: do you have a "--no-m" equivalent, so a user can undo my presetting of -m?

Aah, found it. It's a toggle...

[bartp5]

Oh, and while I have your attention:

enum_{acc} \approx 48 + \lfloor 2 \cdot log_{10} {acc \over \mathrm{s}} - \epsilon \rfloor

renders

                           acc
   enum    ≈48 + ⌊2 ⋅log   ──── - ϵ⌋
       acc              10  s

which is great except that ≈48 runs together. How do elicit some space?

the \approx command "swallows" the following space. If you add two spaces after the \approx you get

utftex -m 'enum_{acc} \approx  48 + \left\lfloor 2 \cdot log_{
10} {acc \over \mathrm{s}} - \epsilon \right\rfloor'
utftex 'enum_{acc} \approx  48 + \left\lfloor 2 \cdot log_{
10} {acc \over \mathrm{s}} - \epsilon \right\rfloor'
                ⎢         acc     ⎥
enum    ≈  48 + ⎢2 ⋅log   ──── - ϵ⎥
    acc         ⎣      10  s      ⎦

If you add more spaces they will be ignored. If you need more spacing you can escape spaces too.
The rationale is that it should be possible to not have a space after a command but I need at least one space to recognize the end of the command.

[bartp5]

Updated manpage.