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Annotation of 42BSD/usr.lib/learn/eqn/L5.2b, revision 1.1.1.1

1.1       root        1: #once #create message
                      2: .ND
                      3: .EQ
                      4: delim $$
                      5: .EN
                      6: .LP
                      7: Try another example with braces, for practice.
                      8: Make the file "Example" produce output that looks
                      9: like this line, then type "ready".
                     10: (The character $rho$ is "rho".)
                     11: .pl 1
                     12: #once #create Ref
                     13: .LP
                     14: .EQ
                     15: alpha sub i sup {pi + rho + 1} ~=~ 1
                     16: .EN
                     17: .pl 1
                     18: #once #create Example
                     19: .LP
                     20: .EQ
                     21: replace me
                     22: .EN
                     23: .pl 1
                     24: #
                     25: #once neqn Ref | nroff >X1 &
                     26: #once neqn message Ref | nroff -T$term %s/tinyms -
                     27: #user
                     28: neqn Example | nroff >X2
                     29: #cmp X1 X2
                     30: #log
                     31: #next
                     32: 5.1c 10

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