Rings of Strength (+0) generated in black market.
Rings of Strength (+0) are sometimes generated in black market (no rings of any bonus or penalty noticed).
This was a silly mistake arising from SV_*** defines for rings of strength, intelligence, dexterity and constitution having different names in /64 to Vanilla Angband.
Rings of Strength (+0) are sometimes generated in black market (no rings of any bonus or penalty noticed).