Log Message:
Update mined from version 2000.5 to 2000.6

Changes from previous version:

> New features in this release:
> *       bidirectional terminal support handles Arabic ligature joining
>         (LAM/ALEF)
> *       new command to go backward and forward along text positions
>         after search and other operations
>
> Main enhancements:
> (for details see the change log)
> *       Added recognition of mouse wheel control sequences and attached
>         according behaviour - untested as I don't have a mouse wheel.
> *       New key interpretations for shift-Return (shift-Enter) and
>         control-Return (control-Enter) to insert Unicode paragraph
>         separators and line separators respectively if Unicode
>         line-end handling is enabled.
> *       Improved coded and mnemonic character entry on prompt line.
> *       Fixed display problems in separated display mode
>         (for Unicode combined characters) on the status line.
> *       Reviewed various commands for remaining fixes in UTF-8 handling.

and patch-aa was incorporated in the standard distribution by the author.