About [[MediaWiki:Converter-manual-rule-error/en]]

Original text:

Error detected in manual language conversion rule

Doc:

This message is shown when a manual conversion rule for the language converter has errors. For example it's not using the correct syntax, or not supplying text in all variants.

Question:

What language converter is being referred to here?

Thanks.

सिद्धार्थ घई (talk)20:55, 9 September 2013