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* eqn(7): Precedence of from/to/sub/sup
@ 2017-07-04  3:56 Anthony J. Bentley
  2017-07-06  0:26 ` Ingo Schwarze
  0 siblings, 1 reply; 2+ messages in thread
From: Anthony J. Bentley @ 2017-07-04  3:56 UTC (permalink / raw)
  To: tech


Kernighan & Cherry's "Typesetting Mathematics: User's Guide" (2e) says:

    If you don't use braces, eqn(1) will do operations in the order
    shown in this list.

    dyad vec under bar tilde hat dot dotdot
    fwd back down up
    fat roman italic bold size
    sub sup sqrt over
    from to

Now consider this example:

int from a sub 1 to b sup 2 dx

groff treats this correctly, as "int from {a sub 1} to {b sup 2} dx".
mandoc instead treats it as "int from {a sub {1 to {b sup 2}}} dx".

Anthony J. Bentley
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2017-07-04  3:56 eqn(7): Precedence of from/to/sub/sup Anthony J. Bentley
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