Oops, remove the "print(id)" line in the filter script above, it was meant 
for debugging.

On Thursday, April 6, 2023 at 3:20:48 PM UTC+1 Julien Dutant wrote:

> This filter will remove all empty Spans with id starting with x. Save as 
> "removeXSpans.lua':
>
> function Span(el)
> return #el.content == 0 and el.identifier:match('^x%d') and pandoc.Space()
> or el
> end
>
> And run pandoc with the `-L removeXSpans.lua` option, e.g. 
> pandoc -f dockbook sourcefile -t markdown -o outfile.md -L removeXSpans.lua
>
> Result:
> # 1 Introduction
>
> However, this will break any link to #x1-10001. If there are internal 
> links in the doc (e.g. from the table of
> content) that you need to preserve, you need a filter that produces 
> instead:
> # 1 Introduction {#x1-10001}
>
> Perhaps this will work (it'd help to have a sample docbook source), saved 
> as removeXSpans.lua and used as above
>
> function Header(hd)
> local id = ''
> hd.content = hd.content:walk {
> Span = function(el)
> if #el.content == 0 and el.identifier:match('^x%d') then
> id = el.identifier
> return pandoc.Space()
> end
> end
> }
> print(id)
> if id ~= '' then 
> hd.identifier = id
> return hd
> end
> end
>
> On Wednesday, April 5, 2023 at 11:38:07 PM UTC+1 hcf wrote:
>
>> I'm converting from DocBook to Markdown.
>>
>> In DocBook there are xml:id tags. When I convert to markdown these are 
>> rendered as 
>>
>> []{#x1-10001}.
>>
>>
>> A markdown heading  look like this when converting from DocBook.
>>
>>
>> # 1[]{#x1-10001}Introduction
>>
>>
>> Is there a way to turn this off?
>>
>>
>> best regards
>>
>> hcf
>>
>

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