.\"
.\" --------------------------------------------
.\" Exaggerate sentence space in order to
.\" emphasize end-of-sentence in output:
.ss 12 72
.\" --------------------------------------------
.\" One space after period, followed by text,
.\" is treated as a normal space:
M. Douglas McIlroy
.br
Mr. Douglas McIlroy
.br
.\" --------------------------------------------
.\" A period at end of line is treated as
.\" end-of-sentence:
M.
Douglas
McIlroy
.br
Mr.
Douglas
McIlroy
.br
.\" --------------------------------------------
.\" A period followed by two spaces is
.\" treated as end-of-sentence:
M.  Douglas McIlroy
.br
Mr.  Douglas McIlroy
.br
.\" --------------------------------------------
.\" Any additional spaces are *added* to the
.\" sentence space:
M.    Douglas McIlroy
.br
Mr.    Douglas McIlroy
.br
.\" --------------------------------------------
.\" \& after the period disables end-of-sentence
.\" recognition; all spaces are copied to output:
M.\&  Douglas McIlroy
.br
Mr.\&  Douglas McIlroy
.br
M.\&    Douglas McIlroy
.br
Mr.\&    Douglas McIlroy
.br