No, my intended output is a PDF file. Does that change anything? Could you 
tell me what exactly you put in filter.lua?
Thanks!

On Monday, December 5, 2022 at 11:56:39 p.m. UTC+1 denis...-NSENcxR/0n0@public.gmane.org wrote:

> What exactly are you doing? Your output format is html? I’ve just tested 
> this and it seems to work.
>
>  
>
> ```cmd
>
> C:\Users\denis\Downloads\filter>cat test.md
>
> asf
>
>  
>
> {{helloworld}}
>
>  
>
> asf
>
> C:\Users\denis\Downloads\filter>pandoc test.md
>
> <p>asf</p>
>
> <p>{{helloworld}}</p>
>
> <p>asf</p>
>
>  
>
> C:\Users\denis\Downloads\filter>pandoc test.md -L filter.lua
>
> <p>asf</p>
>
> <div>abc</div>
>
> <p>asf</p>
>
> ```
>
> *Von:* pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> *Im 
> Auftrag von *paulschi...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
> *Gesendet:* Montag, 5. Dezember 2022 18:58
> *An:* pandoc-discuss <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
> *Betreff:* Re: How do I replace a string in all text that pandoc 
> converts, i.e. how do I do this with a filter?
>
>  
>
> I've tried this: 
>
>  
>
> return {
>   {
>     Para = function (elem)
>       if elem.content[1].text == "{{helloworld}}" then
>         return pandoc.RawBlock('html','<div>abc</div>')
>       else
>         return elem
>       end
>     end,
>   }
> }
>
>  
>
> but that only gets rid of {{helloworld}}, it doesn't replace it with 
> anything. Sadly this doens't work for "==", i.e. those don't disappear.
>
> On Monday, December 5, 2022 at 6:49:08 p.m. UTC+1 - wrote:
>
> I've been trying to replace markdown/Obsidian highlights "==" either with 
> something that LaTeX can use e.g. \hl or just delete it/replace it with 
> nothing, but I can't figure out how to do this.
>
>  
>
> I've tried this:
>
> function Str (str)  
>
> str.text = string.upper(str.text) 
>
> return str 
>
> end
>
>  
>
> But I can't even figure out where I'm meant to put my own text?
>
>  
>
> How do I rpelace == with " "?
>
>  
>
> Thanks!
>
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>

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