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Annotation of 42BSD/usr.lib/learn/eqn/L10.1b, revision 1.1.1.1

1.1       root        1: #print
                      2: More practice with mark and lineup.
                      3: Modify "Example" so the + signs are lined up in
                      4: all of the equations, then type "ready".
                      5: #once #create Ref
                      6: .LP
                      7: .EQ I
                      8: x ~==~ a sub i ~ mark + ~ b sub i ~-~ c sub i
                      9: .EN
                     10: .EQ I
                     11: lineup + ~ d sub i - e sub i
                     12: .EN
                     13: .EQ I
                     14: lineup + ~ f sub i - g sub i
                     15: .EN
                     16: .EQ I
                     17: lineup + ~ ...
                     18: .EN
                     19: .pl 1
                     20: #once #create Example
                     21: .LP
                     22: .EQ I
                     23: x ~==~ a sub i ~ + ~ b sub i ~-~ c sub i
                     24: .EN
                     25: .EQ I
                     26: + ~ d sub i - e sub i
                     27: .EN
                     28: .EQ I
                     29: + ~ f sub i - g sub i
                     30: .EN
                     31: .EQ I
                     32: + ~ ...
                     33: .EN
                     34: .pl 1
                     35: #
                     36: #once neqn Ref | nroff >X1 &
                     37: #user
                     38: neqn Example | nroff >X2
                     39: #cmp X1 X2
                     40: #log
                     41: #next
                     42: 10.1c 10

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