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2022-10-03[API Change] Base custom writers on Writer type.Albert Krewinkel
The `T.P.Lua.writeCustom` function changed to allow either a TextWriter or ByteStringWriter to be returned. The global variables `PANDOC_DOCUMENT` and `PANDOC_WRITER_OPTIONS` are no longer set when the writer script is loaded. Both variables are still set in classic writers before the conversion is started, so they can be used when they are wrapped in functions.
2022-10-03Lua: add function `pandoc.write_classic`.Albert Krewinkel
The function can be used to convert a classic writer into a new-style writer by setting it as the value of `Writer`: ``` lua Writer = pandoc.write_classic ``` or to fully restore the old behavior: ``` lua function Writer (doc, opts) PANDOC_DOCUMENT = doc PANDOC_WRITER_OPTIONS = opts load(PANDOC_SCRIPT_FILE)() return pandoc.write_classic(doc, opts) end ```
2022-10-03Lua: Support running Lua with a GC-collected Lua state.Albert Krewinkel
2022-10-03Remove support for Lua 5.3.Albert Krewinkel
2022-09-30[API Change] Extract Lua code into new package pandoc-lua-engineAlbert Krewinkel
The flag 'lua53` must now be used with that package if pandoc is to be compiled against Lua 5.3.