man: describe $LESS options more fully
https://bugzilla.redhat.com/show_bug.cgi?id=1655316
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@ -25,11 +25,36 @@
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<listitem><para>Override the options passed to <command>less</command> (by default
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<listitem><para>Override the options passed to <command>less</command> (by default
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<literal>FRSXMK</literal>).</para>
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<literal>FRSXMK</literal>).</para>
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<para>If the value of <varname>$SYSTEMD_LESS</varname> does not include <literal>K</literal>,
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<para>Users might want to change two options in particular:</para>
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and the pager that is invoked is <command>less</command>,
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<keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo> will be ignored by the
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<variablelist class='environment-variables'>
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executable. This allows <command>less</command> to handle
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<varlistentry>
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<keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo> itself.</para></listitem>
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<term><option>K</option></term>
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<para>This option instructs the pager to exit immediately when
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<keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo> is pressed. To allow
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<command>less</command> to handle <keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo>
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itself to switch back to the pager command prompt, unset this option.</para>
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<para>If the value of <varname>$SYSTEMD_LESS</varname> does not include <literal>K</literal>,
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and the pager that is invoked is <command>less</command>,
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<keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo> will be ignored by the
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executable, and needs to be handled by the pager.</para>
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</varlistentry>
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<varlistentry>
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<term><option>X</option></term>
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<para>This option instructs the pager to not send termcap initialization and deinitialization
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strings to the terminal. It is set by default to allow command output to remain visible in the
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terminal even after the pager exits. Nevertheless, this prevents some pager functionality from
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working, in particular paged output cannot be scrolled with the mouse.</para>
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</varlistentry>
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</variablelist>
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<para>See
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<citerefentry project='man-pages'><refentrytitle>less</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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for more discussion.</para></listitem>
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</varlistentry>
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</varlistentry>
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<varlistentry id='lesscharset'>
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<varlistentry id='lesscharset'>
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