Everyone has the same buttons; the view is personal

The host's rights and the co-host are gone: anyone in a session may
start a new page, put an image on the page, load a kept page, hide,
expand and shrink, and move or remove images and Hides; the page left
is kept in every notebook.  Fit and Normal scale act on your own screen
only.  A session goes on without whoever started it, and a newcomer to
an empty room starts page 1 with New.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

README.md

@@ -13,24 +13,24 @@ may be used.
 
 ## Documentation
 
-The user documentation (an introduction, Kokkoja in five minutes, a
-guest's Kokkoja, a host's Kokkoja, and how Kokkoja works) is being moved
+The user documentation (an introduction, Kokkoja in five minutes,
+using Kokkoja, and how Kokkoja works) is being moved
 to a new format and is not in this repository at the moment.  It will
 return with a later release.
 
 ## In short
 
-A guest needs nothing but a web browser: open the invitation link, enter
-a name, join.  A host can start a session from the same web site,
+Joining needs nothing but a web browser: open the invitation link, enter
+a name, join.  Anyone can start a session from the same web site,
 `https://app.kokkoja.com/`, with the notebooks kept in the
-browser.
+browser; everyone in a session has the same buttons.
 
-A host who wants notebooks as files needs Python 3 and this directory:
+Whoever wants notebooks as files needs Python 3 and this directory:
 
     python3 kokkoja.py --relay wss://app.kokkoja.com/relay
 
 opens Kokkoja in the browser; *Start a session* gives an invitation to
-send to the guests.  Notebooks are directories in `Kokkoja` in the
+send to the others.  Notebooks are directories in `Kokkoja` in the
 Documents directory.
 
 ## What is here