MediaWiki:Apihelp-main-param-errorformat

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Format to use for warning and error text output.

plaintext
Wikitext with HTML tags removed and entities replaced.
wikitext
Unparsed wikitext.
html
HTML.
raw
Message key and parameters.
none
No text output, only the error codes.
bc
Format used prior to MediaWiki 1.29. errorlang and errorsuselocal are ignored.