Module:Xsr-translit/doc
函数
tr(text, lang, sc)- Transliterates a given piece of
textwritten in the script specified by the codesc, and language specified by the codelang. When the transliteration fails, returnsnil.
tr(text, lang, sc)text written in the script specified by the code sc, and language specified by the code lang. When the transliteration fails, returns nil.