I can't tell if this material / tissue modification is working.
Giant Eagle code used as base:
[USE_MATERIAL_TEMPLATE:TALON:NAIL_TEMPLATE]
[USE_TISSUE_TEMPLATE:TALON:TALON_TEMPLATE]
[TISSUE_LAYER:BY_CATEGORY:TOE:TALON:FRONT]
Modded creature code:
[USE_MATERIAL_TEMPLATE:NAIL:CLAW_TEMPLATE_STR]
[USE_TISSUE_TEMPLATE:NAIL:CLAW_TEMPLATE_STR]
[TISSUE_LAYER:BY_CATEGORY:FINGER:NAIL:FRONT]
[TISSUE_LAYER:BY_CATEGORY:TOE:NAIL:FRONT]
What this should do is take the material defined in the claw template (which is identical to the nail template except for the entry name and material name) and call it NAIL. Then the next line says the NAIL should act according to the claw template (differs from the nail template only in entry and tissue name), and finally the NAIL is stuck to the front of everything in the finger and toe categories. Yes?
But I can't get it to show up. I saw a bit of nail upon butchering a modded creature in the arena, which was what prompted the extra mod (one caste is more human-looking, so the difference matters to me at least), but I haven't seen any since. Lots of aimed scratching gouging in the arena yielded no hits on the claw or nail, and it hasn't turned up in butchering a couple of hundred combatants who were all the same size. Perhaps it shouldn't appear in the first place.