10 \pageunderlay{\placeat{0pt}{0pt}{\crosshair{10pt}}}
12 \def\hd#1{\bigskip\leftline{\bf #1}\medskip}
14 \hd{Box placement: ordinary word, vbox, vtop, vhang, vhanglines}
16 \def\brum{\hbox{Brum}}
17 \def\brums{\brum\brum\brum}
20 \placeat{0pt}{0pt}{\vlap{\hbox to 0.5\hsize{\hrulefill}}}%
21 \placeat{0pt}{0pt}{\crosshair{10pt}}%
30 \noindent An~itemized list:
39 \:It is an {\I important and popular fact} that things are not always what
40 they seem. For instance, on the planet Earth, man had always assumed
41 that he was more intelligent than dolphins because he had achieved so
42 much -- the wheel, {\colorlocal\rgb{1 0 0}New York}, wars and so on -- whilst all the dolphins
43 had ever done was muck about in the water having a good time. But
44 conversely, the \colorpush\rgb{0 0 1}dolphins\colorpop{} had always believed that they were far more
45 intelligent than man -- for precisely the same reasons.
46 \:Curiously enough, the dolphins had long known of the impending
47 destruction of the of the planet Earth and had made many attempts to
48 alert mankind to the danger; but most of their communications were
49 misinterpreted\dots{} --- Douglas Addams: HHG
53 \: Secundus %% are spaces eaten correctly?
68 Lo and behold: |a quick brown fox| {\showspacestrue |jumps over the lazy dog|} |!@#$%^&*()\_|
71 When turned off, vertical lines work as usually: $|a-b| \ge 0$.
73 Delimited verbatim: \verb@abracadabra@ or \verb|brekeke|.
77 \noindent Pre-verbatim
80 abracadabra {!@#$%^&*()\_}
89 123456789 tab45678 tab
90 123456789 tab45678 tab&space
95 \noindent Post-verbatim
97 %\verbinput{ucwmac.tex}
101 {\bo non-extended bold}
103 {\csc Caps And Small Caps}
105 ${\tt x}\in\fam\bbfam R$
107 The set{\settextsize{11}text}size macro does not strew spaces.
109 {\tt Typewriter {\it italic} {\sl slanted.}}
113 \algo{Factorial}\algalias{calculate a~factorial}
114 \algin A~non-negative integer~$n$
115 \:If $n\ge 1$: \cmt{Test if something}
118 \::Return $n \cdot \alg{Factorial}(n-1)$
119 \algout The factorial of~$n$