mm-url-program is a variable defined in `mm-url.el'.
Its value is
w3m
This variable may be risky if used as a file-local variable.
Documentation:
The url grab program.
Likely values are `wget', `w3m', `lynx' and `curl'.
You can customize this variable.
This variable was introduced, or its default value was changed, in
version 22.1 of Emacs.