Import 0.7 from Debian .orig

Upstream ChangeLog heretofore follows

0.6 => 0.7
==========

- KEY_DC is not defined for S-Lang
- include <rxposix.h> instead of <rx.h>

0.5 => 0.6
==========

- backspace char was not honored in line editor
- delete now erases the char under the cursor in the line editor
- man page was not installed by `install' target

0.4 => 0.5
==========

- ^L refreshes the screen

From: Aaron Schrab <aaron+mutt@schrab.com>
- 0-9 can be used to jump to a specific url
- fixed redraw bug when changing pages
- pagelength was incorrectly calculated
- dynamically increase array if more than 128 urls are found

0.3 => 0.4
==========

- add -Dunix to the CFLAGS so that building with slang under hp-ux will work

- need to include <fcntl.h> in main.c

- now accepts input from stdin even if stdin is a tty

- `h' is now an alias for `q' (lynx compatibility)

- automake is now used for this package

0.2 => 0.3
==========

- urls can now be edited before being launced

- check for snprintf and use supplied if not present

- slang support with `configure --with-slang'

- check for regex.h did not define HAVE_REGEX_H

- backslash (\) quoting did not work for things like \.