Update the list of available markers and their descriptions

include/working-with-markers.html

@@ -6,21 +6,42 @@
   and <dfn>ranges</dfn> which define a start and end position in time.
 </p>
 <p>
-  In addition to the standard location markers, there are three kinds of
+  In addition to the standard location markers, there are several more kinds of
   special markers:
 </p>
 <ul>
+  <li>
+    <dfn>BBT markers</dfn> make it possible to restart the count of bars and
+    beats multiple times in a session.
+  </li>
+  <li>
+    <dfn>Time signature markers</dfn> allow changing the time signature from
+    e.g. 4/4 to 6/8 and then to 3/4 within the same composition.
+  </li>
+  <li>
+    <dfn>Tempo markers</dfn> allow changing tempo within the same composition
+    either abruptly or gradually.
+  </li>
+  <li>
+    <dfn>Range markers</dfn> helps preserving selections (ranges) by storing
+    them in the project and giving them telling names.
+  </li>
+  <li>
+    The <dfn>loop range</dfn> defines the start and end points for Looping.
+  </li>
+  <li>
+    The <dfn>punch range</dfn> defines the in and out points for punch
+    recording.
+  </li>
   <li>
     <dfn>CD markers</dfn> are locations that are restricted to legal
     <dfn>CD sector boundaries</dfn>. They can be used to add track index
     markers to compact disc images.
   </li>
   <li>
-    The <dfn>Loop range</dfn> defines the start and end points for Looping.
+    <dfn>Cue markers</dfn> allow integrating elements of non-linear grid-based
-  </li>
+    workflow into the linear timeline-based workflow by launching and stopping
-  <li>
+    user-defined cues at particular points in time.
-    The <dfn>punch range</dfn> defines the in and out points for punch
-    recording.
   </li>
 </ul>