* Regain SP and CHI, and become hungry, while resting in a house or inn.
* Always benefit from stealth when attacking a sleeping monster.
* Take time when climbing the stairs.
* Allow staffs the player has recharged as a stack to stack given equal charges
  whether identified or not.
* Prevent two separate unidentified stacks of similar arrows from stacking.
* Create "hide" and "reveal" commands to prevent objects the player is not
  interested in from cluttering up the screen.
* Create an auto-squelch display based on Iain McFall's implementation, which
  hides unwanted objects.
* Ensure that starting rings do not duplicate intrinsic abilities.
* Remove the pointless "Learn folk magic" option from the magic shop.
* Give a special message if the player is both teleporting randomly and unable
  to teleport.
* Allow the player to browse cantrips.
* Mention the S key in the general on-screen birth help.
* Remove the general options from the "quick-start" prompt.
* Prevent the destroy command object list from including known artefacts.
* Set up the help file list at start-up rather than searching at each request.
* The (e.g.) v command will select an object inscribed @v1 in preference to @1.
* Objects on the floor can be selected by number.
* Consider critical hits in calculating average weapon damage.
* Calculate average martial arts damage fairly accurately.
* The last object to be highlighted can be selected with !.
* Avoid using energy whenever a magic device is used.
* The game will attempt to increase the size of o_list and m_list as necessary
  with an appropriate compile-time option.
* Give specific help for some spells if the player selects them with a capital
  letter (as well as requesting confirmation).
* Track whether an object has been named in this save file and avoid mentioning
  them in user interface functions if not.
* Make | a keymap rather than a second key for the ~ command.
* Understand TARGETS and TIMESTAMP requests from other clients in X11.
* Correct the comment in k_info.txt.
* Work through the skill display when using the debug "edit character" command.
* Use menus to create a specific monster or artefact as with objects.
* Turn debug command help into a text file.
* Add some more docs.
* Indicate with version numbers in custom.txt which options I've added/changed.
* Create a general "set this counter to this" function.
* Rearrange some code, especially that concerning spells and magical devices.
* Fix the following bugs:
  * Bows got "too many" shots at 100% skill.
  * Vampiric weapons gave the player "too many" extra HP.
  * Most distance attacks which affect the floor type (e.g. destroy doors) did
    not do so.
  * Recalling into a dungeon and leaving via the stairs could leave you in the
    wrong town.
  * Stormbringer and the Hammer of Worlds had the wrong weapon skills.
  * The game could crash if the screen was redrawn with (e.g.) Ctrl-R and the
    player did something which affected the surrounding area.
  * The =g inscription was ignored unless auto_pickup was set.
  * A quest level could sometimes be generated with too few quest monsters.
  * The "reset recall depth" question could sometimes be asked twice.
  * Keys to decrease things on the birth screen did not wrap around correctly.
  * The numbers in the "nearby monsters" window were wrong.
  * Setting "spend_points" prevented quick-start from using the auto-roller.
  * The game could generate "old" save files with too many shops.
  * Pref file errors at the start were cleared immediately.
  * Pack reordering moved objects which could be in any order around.
  * Undefining ALLOW_TEMPLATES prevented the game from compiling.
  * Objects in shops loaded from old versions were not shown correctly.
  * The message given after saving all preferences was inappropriate.
  * The game falsely claimed that un*identified* objects had bad activations.
  * Vorpal weapons were displayed as causing more damage than they do.
  * There was no way to create a charm in wizard mode.