Filter help: apply LaTeX command to words matching pattern

Filter help: apply LaTeX command to words matching pattern

[Adin Klotz]

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Background: I like the look of old-style numerals in text, but they look
bad in acronyms or other all-caps blocks, so I’d like to switch to lining
numerals there. I couldn’t find an all-LaTeX way to do this so simplest way
seemed to be a filter. I want to match words containing and only containing
capital letters and numbers and surround them with \liningnums{}

For example:
NUMBER1 -> \liningnums{NUMBER1}
2022 -> 2022
A1B2C3 -> \liningnums{A1B2C3}
A1b2c3 -> A1b2c3

I’ve played around a bit but don’t know enough Lua or Pandoc internals to
get there. I have patterns to check the words but haven’t managed to
successfully add the latex macro. Can someone point me in the right
direction?

Thanks!

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Re: Filter help: apply LaTeX command to words matching pattern

[Bastien DUMONT]

You have to insert the LaTeX code as RawInlines and to return a table of Inlines containing them. For instance:

```
local should_be_lining(str)
  -- returns true if str.text matches one of the patterns
end

function Str(str)
  if should_be_lining(str) then
    return { pandoc.RawInline('latex', '\\liningnums{'), str, pandoc.RawInline('latex', '}') }
  end
end
```

Le Monday 28 November 2022 à 02:53:48PM, Adin Klotz a écrit :
> Background: I like the look of old-style numerals in text, but they look bad in
> acronyms or other all-caps blocks, so I’d like to switch to lining numerals
> there. I couldn’t find an all-LaTeX way to do this so simplest way seemed to be
> a filter. I want to match words containing and only containing capital letters
> and numbers and surround them with \liningnums{}
> 
> For example:
> NUMBER1 -> \liningnums{NUMBER1}
> 2022 -> 2022
> A1B2C3 -> \liningnums{A1B2C3}
> A1b2c3 -> A1b2c3
> 
> I’ve played around a bit but don’t know enough Lua or Pandoc internals to get
> there. I have patterns to check the words but haven’t managed to successfully
> add the latex macro. Can someone point me in the right direction?
> 
> Thanks!
> 
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> You received this message because you are subscribed to the Google Groups
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> pandoc-discuss/
> CAFy2Trs7g%2B84uDfLAYOa%2BFZm7YmXfwCUiFiTbcCwyN56KEv8nQ%40mail.gmail.com.
> 
> References:
> 
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> [2] https://groups.google.com/d/msgid/pandoc-discuss/CAFy2Trs7g%2B84uDfLAYOa%2BFZm7YmXfwCUiFiTbcCwyN56KEv8nQ%40mail.gmail.com?utm_medium=email&utm_source=footer

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