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Annotation of 43BSD/usr.lib/learn/eqn/L1.1d, revision 1.1.1.1

1.1       root        1: #print
                      2: The "-ms" package lets you do some other nice things as
                      3: well.  For example, you can arrange for a number to be
                      4: placed on an equation, in the right margin:
                      5: 
                      6:   a = b + c - d                               (1.23)
                      7: 
                      8: by placing the number after the .EQ on the same line,
                      9: like this:
                     10: 
                     11: .EQ (1.23)
                     12: 
                     13: You must leave a space between .EQ and the number.
                     14: 
                     15: In the file "Example", number the equation "17.1a"
                     16: and print it properly with neqn and nroff -ms.
                     17: (Don't forget -Txxx for your terminal.)
                     18: Then type "ready".
                     19: #once #create Example
                     20: .PP
                     21: This is a tiny little text
                     22: that includes one equation
                     23: or at least it will when you find this line:
                     24: .EQ
                     25: x sub i = y sub i + z sub i
                     26: .EN
                     27: and convert it into an equation.
                     28: (Naturally I changed it again.)
                     29: .pl 1
                     30: #user
                     31: grep '\.EQ  *(17\.1a)$' <Example >/dev/null
                     32: #log
                     33: #next
                     34: 1.1e 10

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