extbrowser2
extbrowser /usr/bin/lynx
mailer
-editor /usr/local/bin/vim
-urimethodmap ~/.w3m/urimethodmap, /usr/local/etc/w3m/urimethodmap
+editor /usr/bin/editor
+urimethodmap ~/.w3m/urimethodmap
mailcap ~/.w3m/mailcap, /etc/mailcap
mime_types ~/.mime.types, /etc/mime.types
index_file