Thanks! This works.

torsdag 6. april 2023 kl. 16:22:17 UTC+2 skrev Julien Dutant:

> 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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