Well . . .
It is a sort of stackless stack . . .
A script-only thingy (there's that useful word again) . . .
https://livecode.fandom.com/wiki/ScriptOnlyA scriptOnly stack will save just the script with a single header line declaring the stack name. Any other objects or properties of the stack will not be written to disk.
The scriptOnly property has been added to enable scripts to detect and set the file format of the stack. Without this property it is not possible to detect the file format the stack is being saved in without examining the file itself.
You can edit a 'livecodescript file in a text editor, or:
https://forums.livecode.com/viewtopic.php?t=38623