po-find-file-coding-system-guts

po-find-file-coding-system-guts is a compiled Lisp function in `po.el'.

(po-find-file-coding-system-guts OPERATION FILENAME)

Return a (DECODING . ENCODING) pair for OPERATION on PO file FILENAME.
Do so according to FILENAME's declared charset.
FILENAME may be a cons (NAME . BUFFER). In that case, detect charset
in BUFFER.