Index: trunk/doc/user/09_appendix/action_reference.html
===================================================================
--- trunk/doc/user/09_appendix/action_reference.html	(revision 9179)
+++ trunk/doc/user/09_appendix/action_reference.html	(revision 9180)
@@ -181,8 +181,8 @@
 <tr><td><a href="action_details.html#reloadscript">ReloadScript</a> <sup><a href="#ringdove">(RND)</a></sup></td><td>Reload a fungw script</td><td>ReloadScript(id)</td><td>script plugin</td>
 <tr><td>RemoveMenu</td><td>Recursively removes a new menu, popup (only path specified) or submenu. </td><td>RemoveMenu(path, cookie)</td><td></td>
 <tr><td>RemoveSelected</td><td>Remove all selected objects</td><td>RemoveSelected()</td><td></td>
-<tr><td>Renumber</td><td></td><td>Renumber(selected|all, lr|rl|tb|bt, [base])</td><td>renumber</td>
-<tr><td>RenumberDialog</td><td></td><td>RenumberDialog()</td><td>renumber</td>
+<tr><td>Renumber</td><td>Rename (renumber) selected or all symbols on current sheet or on all sheets of the project. Second argument is the direction of numbering (e.g. rl means right-to-left). If base is specified, it is an integer and is the first number assigned. Non-numerical name prefix is preserved (R, C, etc.)</td><td>Renumber(Selected|All|SelectedProject|AllProject, lr|rl|tb|bt, [base])</td><td>renumber</td>
+<tr><td>RenumberDialog</td><td>Open the graphical frontend dialog box for the Renumber() action. The dialog box is single instance and non-modal.</td><td>RenumberDialog()</td><td>renumber</td>
 <tr><td>ReplaceSymbol</td><td>Replace target symbol with the first symbol from the buffer</td><td>ReplaceSymbol([object])</td><td></td>
 <tr><td>Revert</td><td>Revert to on-disk version of file(s). Default target is sheet.</td><td>Revert([sheet|project])</td><td></td>
 <tr><td>rnd_acos</td><td></td><td></td><td>script plugin</td>
@@ -268,7 +268,7 @@
 <tr><td>UndoSplit</td><td>Renumber undo serials so they can be undone separately</td><td>UndoSplit()</td><td>diag plugin</td>
 <tr><td>Unload</td><td>Unload (close) current project or sheet</td><td>Unload(Sheet|Project)</td><td>plug_io_act</td>
 <tr><td><a href="action_details.html#unloadscript">UnloadScript</a> <sup><a href="#ringdove">(RND)</a></sup></td><td>Unload a fungw script</td><td>UnloadScript(id)</td><td>script plugin</td>
-<tr><td>UnSelect</td><td>Unselect all objects.</td><td>UnSelect([All])</td><td></td>
+<tr><td>UnSelect</td><td>Unselect all objects. When first argument is omitted or is All, the action operates on the current sheet. When the first argument is AllProject, it operates on all sheets of the current project.</td><td>UnSelect([All|AllProject])</td><td></td>
 <tr><td>ViewDialog</td><td>Bring up a modal dialog for selecting the current view or editing views of the current project.</td><td>ViewDialog()</td><td>sch_dialogs</td>
 <tr><td>Zoom</td><td>GUI zoom</td><td>Zoom()<br>Zoom([+|-|=]factor)<br>Zoom(x1, y1, x2, y2)<br>Zoom(?)<br>Zoom(get)</td><td>sch_rnd_gui</td>
 <tr><td>ZoomTo</td><td>GUI zoom</td><td>Zoom()<br>Zoom([+|-|=]factor)<br>Zoom(x1, y1, x2, y2)<br>Zoom(?)<br>Zoom(get)</td><td>sch_rnd_gui</td>