The backquote (`) is a reserved flag in onscripter-20050602 and higher that allows for the usage of 1-byte characters. It should be put at the beginning of every script line in which 1-byte characters are used, and also at the beginning of 1-byte character strings in menu and other commands.
Example 1: Text Display
` I was already soaked from head to toe by the time I got to my apartment.@
` I mean, there I was, walking home from work, and then it started raining like hell.@
` I grumbled as I turned the key in the lock, opened the door to my apartment, and walked in.@
Example 2: Right-Click Menu
rmenu "`Save",save,"`Load",load,"`Log Mode",lookback,"`Hide Text",windowerase,"`Back to Title Menu",reset
Example 3: String Variables
mov $chapter,"`666. Welcome to Haado Gei RaMEN (and abandon all hope ye who enter?)!"
Example 4: LSP Just-In-Time String Display
lsp 0,":s#BEDEAD`Now Die!"