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Annotation of 42BSD/usr.lib/learn/eqn/L11.1b, revision 1.1.1.1

1.1       root        1: #once #create message
                      2: .ND
                      3: .tr %$
                      4: .EQ
                      5: delim $$
                      6: .EN
                      7: .LP
                      8: The quoting mechanism can also be used to turn off the special meaning
                      9: of things like the dollar sign and braces.
                     10: Modify "Example" so it prints the following output, then
                     11: type "ready".
                     12: .pl 1
                     13: #
                     14: #once #create Ref
                     15: .EQ
                     16: delim $$
                     17: .EN
                     18: .LP
                     19: The cost of processing is proportional to
                     20: $characters over "$"$.
                     21: .pl 1
                     22: #once #create Example
                     23: .LP
                     24: The cost of processing is proportional to
                     25: .pl 1
                     26: #
                     27: #once neqn Ref | nroff >X1 &
                     28: #once neqn message Ref | nroff -T$term %s/tinyms -
                     29: #user
                     30: neqn Example | nroff >X2
                     31: #cmp X1 X2
                     32: #log
                     33: #next
                     34: 11.1c 10

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