import BTL learn(1) lessons/eqn

1 files changed, 34 insertions, 0 deletions

diff --git a/usr.bin/learn/lib/eqn/L11.1b b/usr.bin/learn/lib/eqn/L11.1b
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+#once #create message
+.ND
+.tr %$
+.EQ
+delim $$
+.EN
+.LP
+The quoting mechanism can also be used to turn off the special meaning
+of things like the dollar sign and braces.
+Modify "Example" so it prints the following output, then
+type "ready".
+.pl 1
+#
+#once #create Ref
+.EQ
+delim $$
+.EN
+.LP
+The cost of processing is proportional to
+$characters over "$"$.
+.pl 1
+#once #create Example
+.LP
+The cost of processing is proportional to
+.pl 1
+#
+#once neqn Ref | nroff >X1 &
+#once neqn message Ref | nroff -T$term %s/tinyms -
+#user
+neqn Example | nroff >X2
+#cmp X1 X2
+#log
+#next
+11.1c 10