potion even when its description wasn't known (picked up while blind)
dipping lichen corpse into acid when not blind and acid was undicovered would
not offer a chance to give a name to the potion after lichen feedback
+pluralization improvement for words ending in a k-sound like "biotech"
Fixes to Post-3.6.2 Problems that Were Exposed Via git Repository
/* Ends in z, x, s, ch, sh; add an "es" */
if (index("zxs", lo_c)
- || (len >= 2 && lo_c == 'h' && index("cs", lowc(*(spot - 1))))
+ || (len >= 2 && lo_c == 'h' && index("cs", lowc(*(spot - 1)))
+ /* 21st century k-sound */
+ && !(len >= 4 && !strcmpi(spot - 2, "ech")
+ && index("tm", lowc(*(spot - 4)))))
/* Kludge to get "tomatoes" and "potatoes" right */
|| (len >= 4 && !strcmpi(spot - 2, "ato"))
|| (len >= 5 && !strcmpi(spot - 4, "dingo"))) {