man: document the XDG specs as further sources of specifications for file-hierarchy(7)

We document this further down in the text, but let's also list this
early on, where we mention the FHS as major influence too, so that it is
clear we incorporate all that thinking.

diff --git a/man/file-hierarchy.xml b/man/file-hierarchy.xml
index 37cb2002d4d9c73c7c36018667d035c0c838dcdb..f41039b964dafa395ba72fb97e17b337183a3388 100644 (file)
--- a/man/file-hierarchy.xml
+++ b/man/file-hierarchy.xml
@@ -40,16 +40,16 @@
     <title>Description</title>
 
     <para>Operating systems using the
-    <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
-    system and service manager are organized based on a file system
-    hierarchy inspired by UNIX, more specifically the hierarchy
-    described in the <ulink
-    url="http://refspecs.linuxfoundation.org/FHS_3.0/fhs-3.0.html">File
-    System Hierarchy</ulink> specification and
-    <citerefentry project='man-pages'><refentrytitle>hier</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
-    This manual page describes a more minimal, modernized subset of
-    these specifications that defines more strictly the suggestions
-    and restrictions systemd makes on the file system
+    <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> system and service
+    manager are organized based on a file system hierarchy inspired by UNIX, more specifically the hierarchy described
+    in the <ulink url="http://refspecs.linuxfoundation.org/FHS_3.0/fhs-3.0.html">File System Hierarchy</ulink>
+    specification and <citerefentry
+    project='man-pages'><refentrytitle>hier</refentrytitle><manvolnum>7</manvolnum></citerefentry>, with various
+    extensions, partially documented in the <ulink
+    url="http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html">XDG Base Directory
+    Specification</ulink> and <ulink url="https://www.freedesktop.org/wiki/Software/xdg-user-dirs/">XDG User
+    Directories</ulink>. This manual page describes a more generalized, though minimal and modernized subset of these
+    specifications that defines more strictly the suggestions and restrictions systemd makes on the file system
     hierarchy.</para>
 
     <para>Many of the paths described here can be queried