(TXT) Makefile
 (TXT) tangext.c
 (TXT) tangext.h
 (BIN) tangext.o
 (BIN) tangle
 (TXT) tangle.ch
 (BIN) tangle.o
 (TXT) tangle.p
 (TXT) tangle.p-bak
 (TXT) tangle.p-edited
 (TXT) tangle.p1
 (TXT) weave.ch
 (BIN) weave.o
 (TXT) weave.p
 (TXT) weavext.c