The thing is. The example in the Specification has it the other way around with only ".ldr" sub files within a ".mpd" enclosing file:
Code:
0 FILE 6712 - Main.ldr
0 Main
0 Name: 6712 - Main.ldr
0 Author: Willy Tschager [Holly-Wood]
0 !LDRAW_ORG Model
0 !LICENSE Redistributable under CCAL version 2.0 : see CAreadme.txt
1 0 0 0 0 1 0 0 0 1 0 0 0 1 6712 - Fireplace.ldr
1 0 -140 -49 -32 0.5 0 -0.866 0 1 0 0.866 0 0.5 6712 - Horse.ldr
1 0 -140.866 -129 -31.5 0.5 0 -0.866 0 1 0 0.866 0 0.5 6712 - Sheriff.ldr
1 0 83 -99 64 1 0 0 0 1 0 0 0 1 6712 - Bandit.ldr
1 6 81 3 76 1 0 0 0 1 0 0 0 1 30139.dat
1 2 -51 8 86 1 0 0 0 1 0 0 0 1 6064.dat
1 7 80 0 -14 0.707 0 0.707 0 1 0 -0.707 0 0.707 3069bp03.dat
0 FILE 6712 - Horse.ldr
0 Horse
0 Name: 6712 - Horse.ldr
0 Author: Willy Tschager [Holly-Wood]