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ensure that lua table exist

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This commit is contained in:
Ulrike Fischer 2025-02-11 09:36:08 +01:00
parent f68f45f2c8
commit 6fcc975735
1 changed files with 3 additions and 0 deletions
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luamml-structelemwriter.lua
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@ -8,6 +8,9 @@ local mc_end = token.create'tag_mc_end:'
local catlatex = luatexbase.registernumber("catcodetable@latex")
ltx = ltx or {}
ltx.__tag = ltx.__tag or {}
ltx.__tag.struct = ltx.__tag.struct or {}
ltx.__tag.struct.luamml = ltx.__tag.struct.luamml or {}
ltx.__tag.struct.luamml.labels = ltx.__tag.struct.luamml.labels or {}