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6 Customization

The following environment variables affect the url library's operation at startup.

TMPDIR
If this is defined, url-temporary-directory is initialized from it.

The following user options affect the general operation of url library.

— User Option: url-configuration-directory

The value of this variable specifies the name of the directory where the url library stores its various configuration files, cache files, etc.

The default value specifies a subdirectory named url/ in the standard Emacs user data directory specified by the variable user-emacs-directory (normally ~/.emacs.d). However, the old default was ~/.url, and this directory is used instead if it exists.

— User Option: url-debug

Specifies the types of debug messages which are logged to the *URL-DEBUG* buffer. t means log all messages. A number means log all messages and show them with message. It may also be a list of the types of messages to be logged.

— User Option: url-personal-mail-address
— User Option: url-privacy-level
— User Option: url-uncompressor-alist
— User Option: url-passwd-entry-func
— User Option: url-standalone-mode
— User Option: url-bad-port-list
— User Option: url-max-password-attempts
— User Option: url-temporary-directory
— User Option: url-show-status
— User Option: url-confirmation-func

The function to use for asking yes or no functions. This is normally either y-or-n-p or yes-or-no-p, but could be another function taking a single argument (the prompt) and returning t only if an affirmative answer is given.

— User Option: url-gateway-method

A symbol specifying the type of gateway support to use for connections from the local machine. The supported methods are:

telnet
Run telnet in a subprocess to connect;
rlogin
Rlogin to another machine to connect;
socks
Connect through a socks server;
ssl
Connect with SSL;
native
Connect directly.