docs/Demo_mode.md updated from https://stackedit.io/

Author: fghalasz

docs/Demo_mode.md

@@ -67,7 +67,9 @@ Start scripts can also be used outside of Demo mode.  In the normal OIO workflow
 
 Additionally, if a ```start=<encoded start-script URL>``` query parameter is included in the URL used to access OIO (outside of Demo mode), then the specified URL (decoded) will be prepopulated into the Advanced Options/Start URL field on the Run Medley page.
 
-## 
+## Synonyms for 
+
+For legacy reasons,  https::online.interlisp.org/demo/guest 
 
 
 
@@ -89,6 +91,6 @@ Additionally, if a ```start=<encoded start-script URL>``` query parameter is inc
 
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