hier.7: Add missing directories defined by FHS 2.3

Signed-off-by: Stéphane Aulery <saulery@free.fr>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man7/hier.7

@@ -98,9 +98,38 @@ depends on local administration decisions (optional).
 This directory should hold those shared libraries that are necessary
 to boot the system and to run the commands in the root filesystem.
 .TP
+.I /lib<qual>
+These directories are variants of
+.I /lib
+on system which support more than one binary format requiring separate
+libraries (optional).
+.TP
+.I /lib/modules
+Loadable kernel modules (optional).
+.TP
 .I /media
 This directory contains mount points for removable media such as CD
 and DVD disks or USB sticks.
+On systems where more than one device exists
+for mounting a certain type of media,
+mount directories can be created by appending a digit
+to the name of those available above starting with '0',
+but the unqualified name must also exist.
+.TP
+.I /media/floppy[1\-9]
+Floppy drive (optional).
+.TP
+.I /media/cdrom[1\-9]
+CD-ROM drive (optional).
+.TP
+.I /media/cdrecorder[1\-9]
+CD writer (optional).
+.TP
+.I /media/zip[1\-9]
+Zip drive (optional).
+.TP
+.I /media/usp[1\-9]
+USB drive (optional).
 .TP
 .I /mnt
 This directory is a mount point for a temporarily mounted filesystem.
@@ -173,6 +202,9 @@ executed by normal users which are not needed for booting or for
 repairing the system and which are not installed locally should be
 placed in this directory.
 .TP
+.I /usr/bin/mh
+Commands for the MH mail handling system (optional).
+.TP
 .I /usr/bin/X11
 is the traditional place to look for X11 executables; on Linux, it
 usually is a symbolic link to
@@ -204,6 +236,9 @@ Binaries for games and educational programs (optional).
 .I /usr/include
 Include files for the C compiler.
 .TP
+.I /usr/include/bsd
+BSD compatibility include files (optional).
+.TP
 .I /usr/include/X11
 Include files for the C compiler and the X\-Window system.
 This is
@@ -246,6 +281,14 @@ which usually are not invoked directly.
 More complicated programs may
 have whole subdirectories there.
 .TP
+.I /usr/lib<qual>
+These directories are variants of
+.I /usr/lib
+on system which support more than one binary format requiring separate
+libraries, except that the symbolic link
+.I /usr/lib<qual>/X11
+is not required (optional).
+.TP
 .I /usr/lib/X11
 The usual place for data files associated with X programs, and
 configuration files for the X system itself.
@@ -282,6 +325,12 @@ Binaries for locally installed games.
 .I /usr/local/lib
 Files associated with locally installed programs.
 .TP
+.I /usr/local/lib<qual>
+These directories are variants of
+.I /usr/local/lib
+on system which support more than one binary format requiring separate
+libraries (optional).
+.TP
 .I /usr/local/include
 Header files for the local C compiler.
 .TP
@@ -324,6 +373,9 @@ or
 .I /usr/share/dict
 Contains the word lists used by spell checkers (optional).
 .TP
+.I /usr/share/dict/words
+List of English words (optional).
+.TP
 .I /usr/share/doc
 Documentation about installed programs (optional).
 .TP
@@ -357,6 +409,18 @@ The message catalogs for native language support go here (optional).
 .I /usr/share/sgml
 Files for SGML (optional).
 .TP
+.I /usr/share/sgml/docbook
+DocBook DTD (optional).
+.TP
+.I /usr/share/sgml/tei
+TEI DTD (optional).
+.TP
+.I /usr/share/sgml/html
+HTML DTD (optional).
+.TP
+.I /usr/share/sgml/mathtml
+MathML DTD (optional).
+.TP
 .I /usr/share/terminfo
 The database for terminfo (optional).
 .TP
@@ -366,6 +430,15 @@ Troff macros that are not distributed with groff (optional).
 .I /usr/share/xml
 Files for XML (optional).
 .TP
+.I /usr/share/xml/docbook
+DocBook DTD (optional).
+.TP
+.I /usr/share/xml/xhtml
+XHTML DTD (optional).
+.TP
+.I /usr/share/xml/mathml
+MathML DTD (optional).
+.TP
 .I /usr/share/zoneinfo
 Files for timezone information (optional).
 .TP
@@ -391,6 +464,9 @@ This link is present only for compatibility reasons and shouldn't be used.
 This directory contains files which may change in size, such as spool
 and log files.
 .TP
+.I /var/account
+Process accounting logs (optional).
+.TP
 .I /var/adm
 This directory is superseded by
 .I /var/log
@@ -403,17 +479,56 @@ Reserved for historical reasons.
 .I /var/cache
 Data cached for programs.
 .TP
+.I /var/cache/fonts
+Locally-generated fonts (optional).
+.TP
+.I /var/cache/man
+Locally-formatted man pages (optional).
+.TP
+.I /var/cache/www
+WWW proxy or cache data (optional).
+.TP
+.I /var/cache/<package>
+Package specific cache data (optional).
+.TP
 .IR /var/catman/cat[1\-9] " or " /var/cache/man/cat[1\-9]
 These directories contain preformatted manual pages according to their
 man page section.
 (The use of preformatted manual pages is deprecated.)
 .TP
+.I /var/crash
+System crash dumps (optional).
+.TP
 .I /var/cron
 Reserved for historical reasons.
 .TP
+.I /var/games
+Variable game data (optional).
+.TP
 .I /var/lib
 Variable state information for programs.
 .TP
+.I /var/lib/hwclock
+State directory for hwclock (optional).
+.TP
+.I /var/lib/misc
+Miscellaneous state data.
+.TP
+.I /var/lib/xdm
+X display manager variable data (optional).
+.TP
+.I /var/lib/<editor>
+Editor backup files and state (optional).
+.TP
+.I /var/lib/<name>
+These directories must be used for all distribution packaging support.
+.TP
+.I /var/lib/<package>
+State data for packages and subsystems (optional).
+.TP
+.I /var/lib/<pkgtool>
+Packaging support files (optional).
+.TP
 .I /var/local
 Variable data for
 .IR /usr/local .
@@ -468,6 +583,9 @@ Spooled jobs for
 .I /var/spool/lpd
 Spooled files for printing (optional).
 .TP
+.I /var/spool/lpd/printer
+Spools for a specific printer (optional).
+.TP
 .I /var/spool/mail
 Replaced by
 .IR /var/mail .