+ case 'f':\r
+ set_cave_feat(y, x, feat_shallow_acid_puddle);\r
+ break;\r
+\r
+ case 'F':\r
+ set_cave_feat(y, x, feat_deep_acid_puddle);\r
+ break;\r
+\r
+ case 'g':\r
+ set_cave_feat(y, x, feat_shallow_poisonous_puddle);\r
+ break;\r
+\r
+ case 'G':\r
+ set_cave_feat(y, x, feat_deep_poisonous_puddle);\r
+ break;\r
+\r
+ case 'h':\r
+ set_cave_feat(y, x, feat_cold_zone);\r
+ break;\r
+\r
+ case 'H':\r
+ set_cave_feat(y, x, feat_heavy_cold_zone);\r
+ break;\r
+\r
+ case 'i':\r
+ set_cave_feat(y, x, feat_electrical_zone);\r
+ break;\r
+\r
+ case 'I':\r
+ set_cave_feat(y, x, feat_heavy_electrical_zone);\r
+ break;\r
+\r