If this variable is non-
scan-sexps treats all
non-ASCII characters as symbol constituents regardless
of what the syntax table says about them. (However, text properties
can still override the syntax.)
If the value is non-
nil, then comments are treated as
whitespace by the functions in this section and by
The behavior of
parse-partial-sexp is also affected by
parse-sexp-lookup-properties (see Syntax Properties).
You can use
forward-comment to move forward or backward over
one comment or several comments.