mm-path-name-rewrite-functions

mm-path-name-rewrite-functions is a variable defined in `mm-decode.el'.
Its value is

nil

• This variable may be risky if used as a file-local variable.

Documentation:
*List of functions for rewriting the full file names of MIME parts.
This is used when viewing parts externally, and is meant for
transforming the absolute name so that non-compliant programs can find
the file where it's saved.

Each function takes a file name as input and returns a file name.