commit - 162ef0743b49d2edd035a1eb718c279206d80708
commit + 01cd4060628cd7b4ed7e8f827a41add82622303e
blob - 6e86bb447bf13b6ac2326c9bdf177dd82bbb6791
blob + bbe7012eec05517e4ac677f96a5d16d00e39446c
--- man/man1/0intro.1
+++ man/man1/0intro.1
@@ -294,6 +294,53 @@ seems now to be used for describing specific files.)
 .PP
 .HR ../man9 "Section (9p)
 describes the Plan 9 file protocol 9P.
+.PP
+These pages describe parts of the system
+that are new or different from Plan 9 from Bell Labs:
+.IP
+.IR 9 (1),
+.IR 9c (1),
+.IR 9p (1),
+.IR 9term (1),
+.I acidtypes
+in
+.IR acid (1),
+.IR cvs (1),
+.IR dial (1),
+.IR label (1),
+the
+.B MKSHELL
+variable in
+.IR mk (1),
+.IR namespace (1),
+.IR page (1),
+.IR psfonts (1),
+.IR rio (1),
+.IR web (1),
+.IR wintext (1)
+.IP
+.IR intro (3),
+.IR 9pclient (3),
+the
+.B unix
+network in
+.IR dial (3),
+.IR exits (3),
+.IR get9root (3),
+.IR getns (3),
+.IR notify (3),
+.IR post9pservice (3),
+.IR rfork (3),
+.IR sendfd (3),
+.IR udpread (3),
+.IR wait (3),
+.IR wctl (3)
+.IP
+.IR intro (4),
+.IR 9pserve (4),
+.IR import (4)
+.IP
+.IR openfd (9p)
 .SH DIAGNOSTICS
 In Plan 9, a program's exit status is an arbitrary text string,
 while on Unix it is an integer.