Tassilo Horn 45f1e427fc mailcap: Docfix & handle function-viewer case in mailcap-view-file ...

* lisp/net/mailcap.el (mailcap-mime-data): Fix docstring: if viewer is
a symbol/function, it should have zero args and expect the file's
contents to be in the current buffer.
(mailcap-view-file): Implement the case where the chosen viewer is a
function and not a shell command.

2022-01-15 11:27:20 +01:00

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