the ANS'94 standard describes this word in a comment
>PARSE, section A.6.2.2008 - quote:
Skip leading spaces and parse name delimited by a space. c-addr
is the address within the input buffer and u is the length of the
selected string. If the parse area is empty, the resulting string
has a zero length.
>PARSE-WORD are present, the need for
core ordinary primitive