The docs/Makefile install target didn't do anything before. Added
-rw-r--r-- 969 .gitignore
-rw-r--r-- 1619 COPYRIGHT
-rw-r--r-- 143202 ChangeLog
-rw-r--r-- 14 DATE
-rw-r--r-- 12437 INSTALL
-rw-r--r-- 3340 MACHINES
-rw-r--r-- 5799 Makefile.in
-rw-r--r-- 1329 README
-rw-r--r-- 8 VERSION
-rw-r--r-- 3652 acconfig.h
-rw-r--r-- 3581 aclocal.m4
-rwxr-xr-x 178 autogen.sh
-rwxr-xr-x 43610 config.guess
-rwxr-xr-x 31495 config.sub
drwxr-xr-x - config
-rw-r--r-- 33730 configure.in
drwxr-xr-x - docs
drwxr-xr-x - etc
drwxr-xr-x - h
-rwxr-xr-x 4773 install-sh
drwxr-xr-x - man
-rwxr-xr-x 650 mkinstalldirs
drwxr-xr-x - mts
-rw-r--r-- 2114 nmh.spec
drwxr-xr-x - sbr
drwxr-xr-x - test
drwxr-xr-x - uip