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

Author: fghalasz

docs/Demo_mode.md

@@ -69,7 +69,7 @@ Additionally, if a ```start=<encoded start-script URL>``` query parameter is inc
 
 ## Synonyms for https::online.interlisp.org/demo
 
-For legacy reasons,  *https::online.interlisp.org/demo/guest* and https::online.interlisp.org/guest are synonyms for https::online.interlisp.org/demo.
+For legacy reasons,  ```https:://online.interlisp.org/demo/guest``` and ```https:://online.interlisp.org/guest``` are synonyms for ```https::online.interlisp.org/demo```.
 
 
 
@@ -91,6 +91,6 @@ For legacy reasons,  *https::online.interlisp.org/demo/guest* and https::online.
 
 > Written with [StackEdit](https://stackedit.io/).
 <!--stackedit_data:
-eyJoaXN0b3J5IjpbLTUxNDIzMzk4LDIxNTAzNzAxMCwxNzE0MT
-E2OTc0XX0=
+eyJoaXN0b3J5IjpbLTg1MzEyOTcyNCwyMTUwMzcwMTAsMTcxND
+ExNjk3NF19
 -->