[plasma/plasma-workspace] doc/klipper: Add some docs for Klipper

[Yuri Chornoivan]

Git commit ce84c53c8dc648c39dfcd1e556c1ca32a27a0321 by Yuri Chornoivan.
Committed on 19/05/2022 at 07:27.
Pushed by yurchor into branch 'master'.

Add some docs for Klipper

M  +7    -1    doc/klipper/index.docbook

https://invent.kde.org/plasma/plasma-workspace/commit/ce84c53c8dc648c39dfcd1e556c1ca32a27a0321

diff --git a/doc/klipper/index.docbook b/doc/klipper/index.docbook
index 1c73de5e2..8888bd2c8 100644
--- a/doc/klipper/index.docbook
+++ b/doc/klipper/index.docbook
@@ -372,7 +372,13 @@ your clipboard contents are <filename>/home/phil/textfile</filename>,
 the command <userinput><command>kwrite</command>
 <filename>/home/phil/textfile</filename></userinput> will be run. To
 include <token>%s</token> in the command line, escape it with a
-backslash, as so: <userinput>\%s</userinput>.</para></listitem>
+backslash, as so: <userinput>\%s</userinput>.</para>
+
+<para>Entries <userinput><token>%0</token></userinput> through
+<userinput><token>%9</token></userinput> will be replaced by the corresponding captured
+texts from the match pattern.
+</para>
+</listitem>
 </varlistentry>
 </variablelist>