man: various cleanup

Change-Id: I9130e7d10ae42e894923097a7c97da802eb0d8c3
Reviewed-on: https://plan9port-review.googlesource.com/2962
Reviewed-by: Russ Cox <rsc@swtch.com>

man/man4/INDEX

@@ -1,10 +1,14 @@
 0intro 0intro.4
 intro 0intro.4
+9import 9import.4
 9pfuse 9pfuse.4
 9pserve 9pserve.4
 acme acme.4
 factotum factotum.4
 fontsrv fontsrv.4
+flchk fossil.4
+flfmt fossil.4
+fossil fossil.4
 import import.4
 plumber plumber.4
 ramfs ramfs.4

man/man4/fontsrv.4

@@ -130,4 +130,3 @@ For example, the lower case r in the subfont
 .B Times-Roman/14a/x0000.bit
 appears truncated on the right and
 too light overall.
-

man/man4/fossil.4

@@ -486,7 +486,7 @@ and then use the
 .I sed
 command to prepare the script.
 .SH SOURCE
-.B /sys/src/cmd/fossil
+.B \*9/src/cmd/fossil
 .SH SEE ALSO
 .IR yesterday (1),
 .IR fs (3),

man/man4/smugfs.4

@@ -264,7 +264,7 @@ SmugMug,
 .PP
 If multiple categories or albums have the same name,
 only one will be accessible via the file system interface.
-Renaming the accessible one via 
+Renaming the accessible one via Unix's
 .IR mv (1)
 will resolve the problem.
 .PP

man/man4/tapefs.4

@@ -100,10 +100,10 @@ way using the files
 and
 .I util.c
 in
-.BR /sys/src/cmd/tapefs ,
+.BR \*9/src/cmd/tapefs ,
 which in
 turn derive substantially from
 .IR ramfs (4).
 .SH "SEE ALSO
-.IR intro (5),
+.IR intro (7),
 .IR ramfs (4).