[x3d-public] Query On X_ITE

[cbullard at hiwaay.net]

Are externprotos implemented?  I can live with this solution.

 From Claude while testing MCCF V2:

FIX 2 — X3D: Replace EXTERNPROTOs with inline PROTOs in 
mccf_scene.x3dThe EXTERNPROTO approach is the right architecture 
long-term, but X_ITE 11.6.6 has known issues resolving EXTERNPROTOs when 
the PROTO files themselves use X3D 4.0 with certain field types. The 
reliable fix is to inline the essential PROTO bodies directly in the 
scene file for now, keeping the EXTERNPROTO registry as comments for 
future use when X_ITE EXTERNPROTO support matures:

len