Also mention "Extent buffer" in symbols properties (#9620)

docs/user_manual/style_library/symbol_selector.rst

@@ -124,16 +124,18 @@ You can setup some parameters that apply to the global symbol:
   * for marker symbols, the :guilabel:`Buffer settings...` enables addition of a halo effect
     around the marker symbol in order to make it more readable against different backgrounds.
     The buffer is calculated and drawn using the shape of ALL the symbol layers in the marker.
-    You can adjust the :guilabel:`Size`, :guilabel:`Join style` and :guilabel:`Symbol` of display. 
+    You can adjust the :guilabel:`Size`, :guilabel:`Join style` and :guilabel:`Symbol` of display.
 
-  * Depending on the :ref:`symbology <vector_style_menu>` of the layer a symbol is
+  * for all symbol types, enable and configure a distance for the map canvas :ref:`Extent buffer <extent_buffer>`,
+    or the :ref:`Animation settings <animation_settings>`.
+
+  * Depending on the :ref:`symbology <vector_style_menu>` of the layer the symbol is
     being applied to, additional settings are available in the :guilabel:`Advanced` menu:
 
     * :ref:`Symbol levels... <Symbols_levels>` to define the order of symbols rendering
     * :ref:`Data-defined Size Legend <data_defined_size_legend>`
     * :guilabel:`Match to Saved Symbols...` and :guilabel:`Match to Symbols from File...`
       to automatically :ref:`assign symbols to classes <categorized_advanced_menu>`
-    * :ref:`Animation settings <animation_settings>`
 
 .. _symbol_layer: