Check data attibute in `data_append()` and `clean_node()`#401

Merged

xxyzz merged 3 commits intotatuylonen:masterfrom xxyzz:datautil

Nov 28, 2023

+183-209

Commits on Nov 27, 2023

Check data attibute in data_append() and clean_node()
xxyzz
committed

Commits on Nov 28, 2023

Remove unused wxr argument in data_append() and data_extend()
xxyzz
committed
Remove unused code for Chinese Wiktionary from English extractor
xxyzz
committed