Customizing the metamodel : Keywords for USRPROPS : REM, REMARK
  
REM, REMARK
Causes text following this command, and placed in single or double quote marks to be ignored.
Example
GROUP "Connections"
{ LAYOUT { COLS 2 TAB ALIGN OVER }
PROPERTY "From Entity"
{ KEY EDIT OneOf "Entity" RELATE BY "is keyed by"
READONLY}
PROPERTY "To Entity" { KEY EDIT OneOf "Entity" RELATE BY "is keyed by"
READONLY}
} REM "End of group Connections"