CVS log for epic4/script/debug.irc

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* Numerous updates/changes/fixes to DCC, functions, scripts, /EXEC, the
  new math parser, as per UPDATES and KNOWNBUGS.

One potential incompatibility is in the change to $open(). (as per UPDATES)

Yikes.  Merged to become consistent with HEAD.  Sorry for all the commits,
I'll be quiet again soon. :)
-wd

* Altered the default FLOATING_POINT_PRECISION from 6 to 16 which fixes a
  math bug.
* Melded a count argument into next_args and new_next args to cause a
  specific number of words to be returned.
* Rewrote the /alias xxx (args) form of /alias to avoid using extractw and
  to use *next_args_count instead.
* Tuned the call.xtrace alias in debug.irc.
* Extended $is_on() in guh to allow and return multiple arguments.
* Added $is_off() as a compliment to $is_on().
* Made a minor philosophical change to the way flood detection works:  A
  message is not counted as a flood if it is the first message in a flood.
  The most important impact of this is that rate calculations are more
  accurate.

* Added support for CHANMODES, PREFIX and CHANTYPES in the processing of
  modes.  If the server doesn't support these, then hopefuly sane default
  strings are chosen, and these _don't_ include the wacky extensions that
  have been added over the years, so conceivably, this could break things
  like halfops and ban/invite exemptions.
* Stored the UMODES field from the 004 numeric in the server data.  Can be
  retrieved with $serverctl(get x umodes).
* Altered "/msg @$fd" so that $fd must be a number, otherwise, it will be
  treated as a privmsg.
* Added $xdebug() which returns all single bit flags with + or - added as
  appropriate.  /xdebug $xdebug() is a no-op.
* Fixed an /xdebug bug in which - would cause all subsequent flags to be
  switched off.  For bug compatibility, it still works this way, but you
  can specify + to turn all subsequent values on.
* Altered m_sc3cat_s() to call m_sc3cat rather than m_c3cat, which results
  in a cleaner string.  Examination of the uses of this function showed
  that they all dealt with this bug in some way.
* Altered $which() to call path_search() directly, rather than uzfopen().
  It may be useful to add a flag to path_search indicating which attributes
  we are searching for.  This could cause problems since the old method
  would skip over a file if it wasn't readable.
* Added clue variables for $unsplit().

Cleanup and bugfix to the call.time alias.
The time reported was not accurate.

* $rcopattern() added.  Coppied verbatim from $copattern() except that the
  wildcard test is reversed so that the first argument is a string, and the
  second is a variable with a set of wildcard patterns.
* Added three aliases to debug.irc to time and trace commands.
* Minor comment update to exec_pipe in ircaux.c.
* And, for a grand finale, incremented commit_id.

Initial import into CVS

Initial revision