mainchoice.diff creates an option to show choices at most prompts in the main
window by default.

windows.diff allows the windows for Gumband to be specified via environment
variables and the command line in X11 as is common in new versions.

monlist.diff allows a list of nearby monsters to be shown in a window so that
someone playing a version with multiple windows can tell at a glance that the
monster standing next to the character is a rock lizard. It was adapted from
Eytan Zweig's version of Iain Mcfall's patch to the same effect.

weight.diff causes the show_weight option to include weight information when
you use the look command on an object. This is intended to enable those
playing in astral mode to have an easy way of telling whether a given weapon
is light enough for a character to wield properly among other things. For
this reason, I've included the relevant section of tables.c below:

(for strength above 18, read as 18/Ext below)
Minimum Strength	Maximum weapon weight/lb
3-7	Str+1
7-18	2*Str-6
18/10-18/90	Ext/2+25
18/100-18/120	Ext/2+30
18/120-18/220	Ext/10+78

The "apportation" mutation can fetch objects up to (level)lb in weight.
The similar mindcraft ability, spell and wand have a limit of 25lb.

This patch does mean that it is possible to recognise a few artefacts without
picking them up. I chose to do this rather than print an inaccurate weight in
these cases because it doesn't seem like a huge benefit to me. The full list
of such artefacts is:

Object	Weight	Artefact	Weight
Scarlet Plate Armour*	2.5	.. of Pan Tang	25
Sword*	20	.. of Xiombarg	15
Sword*	20	.. of Mabelrode	10
Two-Handed Sword	20	.. 'Zarcuthra'	25+
Two-Handed Sword	20	.. of Twilight	25+
Katana	12	.. of Groo	6+
Long Sword	13	.. 'Vorpal Blade'	15+
Trident	7	.. of Wrath	21+
Mace	14	.. 'Taratol'	20+
Spear	5	.. 'Bryionak'	2.5+
Executioner's Sword	23	.. 'Retaliator'	40+
Beaked Axe	16	.. of Ice	14+
Scythe	25	.. of Death	20+
Iron Shield	12	.. of Celegorm	7.2
Cloak	1	.. 'Colluin'	1.5
Elven Cloak	0.5	.. of Thingol	1
Scale Mail	17.5	.. 'Nemovebla'	22.5

* These objects have the INSTA_ART flag, and as such are never seen in the
ordinary form listed here. They're only included for completeness.

+ These artefacts have unusual damage dice, and so are easy to distinguish
from other items with the same base item (except, in some cases, from rare
ego items) without this patch.