Added option to build docs to docs

diff --git a/docs/usermanual-install-harfbuzz.xml b/docs/usermanual-install-harfbuzz.xml
index a885d00..a1e7ab0 100644 (file)
--- a/docs/usermanual-install-harfbuzz.xml
+++ b/docs/usermanual-install-harfbuzz.xml
@@ -423,6 +423,18 @@
            </para>
          </listitem>
        </varlistentry> 
+
+       <varlistentry>
+         <term><command>--enable-gtk-doc</command></term>
+         <listitem>
+           <para>
+             Use <ulink url="https://www.gtk.org/gtk-doc/">GTK-Doc</ulink>. <emphasis>(Default = no)</emphasis>
+           </para>
+           <para>
+             This option enables the building of the documentation.
+           </para>
+         </listitem>
+       </varlistentry>
       </variablelist>
     </section>