Re: Use Writer in Lua Filter?

[BPJ <bpj-J3H7GcXPSITLoDKTGw+V6w@public.gmane.org>]

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Also assigning `nil` to a table key/index deletes that key/index. A table
value can't be `nil`:

``````lua
local t = { a = 1, b = 2, c = 3 }
for k,v in pairs(t) do
  print(k, v)
end
-- prints
-- a    1
-- b    2
-- c    3
-- but in a random order
t.b = nil
for k,v in pairs(t) do print(k,v) end
-- Doesn't print b    2 because it doesn't exist anymore!
``````

Den lör 6 maj 2023 10:35BPJ <bpj-J3H7GcXPSITLoDKTGw+V6w@public.gmane.org> skrev:

>
>
> Den fre 5 maj 2023 10:04ThomasH <therch-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> skrev:
>
>> Ah, ok, sorry, I've only come to Lua through Pandoc, so I'm often not
>> aware of general Lua features. I will keep an eye open for the 'show'
>> method.
>>
>> T.
>>
>
> See
>
> https://www.lua.org/manual/5.4/manual.html
>
> https://learnxinyminutes.com/docs/lua/
>
> Note that the latter seems to fail to mention that the full syntax for
> long strings and comments includes balanced `=` characters between the
> brackets so that you can include double brackets with or without a lower
> number of `=` chars in the string, e.g.
>
> ``````lua
> local foo = [===[ [==[ [=[ [[ foo ]] ]=] ]==] ]===]
> ``````
>
> is a single string delimited by `[===[` and `]===]`
>
> Also escapes like `\n` don't work in long strings.
>
>
>
>
>> On Friday, May 5, 2023 at 7:26:41 AM UTC+2 Albert Krewinkel wrote:
>>
>>>
>>> ThomasH <the...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
>>>
>>> > I just wished that would have been more apparent from the docs.
>>>
>>> The `tostring` function is the default Lua way to convert an object "to
>>> a string in a human-readable format". Still, I made a mental note to add
>>> better docs once we switch from a Haskell to a Lua representation as
>>> `tostring` output.
>>>
>>> The Haskell/native output will probably become available via show
>>> methods, as in `block:show()`. This already works for Block elements,
>>> but not for Inlines.
>>>
>>>
>>> >> Albert Krewinkel <albert...-9EawChwDxG8hFhg+JK9F0w@public.gmane.org> writes:
>>> >>
>>> >> > The alternative is to use `pandoc.write`, e.g.:
>>> >> >
>>> >> > print(pandoc.write(pandoc.Pandoc {element}))
>>> >>
>>> >> The above is missing the second parameter:
>>> >>
>>> >> print(pandoc.write(pandoc.Pandoc {element}, 'native'))
>>>
>>>
>>> --
>>> Albert Krewinkel
>>> GPG: 8eed e3e2 e8c5 6f18 81fe e836 388d c0b2 1f63 1124
>>>
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>> .
>>
>

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