REM - source-solutions/HELP GitHub Wiki

{REM|'} [anything]

Ignores everything until the end of the line. The REM statement is intended for comments. Everything after REM will be stored in the program unaltered and uninterpreted. Apostrophe (') is an alias for REM.

Note that a colon (:) does not terminate the REM statement; the colon and everything after it will be treated as part of the comment.