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url: Customization

 
 6 Customization
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 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.
 
  -- User Option: url-user-agent
      The User Agent string used for sending HTTP/HTTPS requests.  The
      value should be a string or a function of no arguments that returns
      a string.  The default value is
      ‘User-Agent: PACKAGE-NAME URL/Emacs’, where PACKAGE-NAME is the
      value of ‘url-package-name’ and its version, if they are non-‘nil’.
 

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