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Diff for /mandoc/eqn.7 between version 1.14 and 1.15

version 1.14, 2011/07/22 12:55:02 version 1.15, 2011/07/22 13:48:52
Line 59  these are not the same as
Line 59  these are not the same as
 macros, and may only be invoked as  macros, and may only be invoked as
 .Sq \&.EQ .  .Sq \&.EQ .
 .Pp  .Pp
 The equation grammar is as follows:  The equation grammar is as follows, where quoted strings are
   case-sensitive literals in the input:
 .Bd -literal -offset indent  .Bd -literal -offset indent
 eqn     : box | eqn box  eqn     : box | eqn box
 box     : text  box     : text
         | { eqn }          | "{" eqn "}"
         | DEFINE text text          | "define" text text
         | SET text text          | "set" text text
         | UNDEF text          | "undef" text
         | box pos box          | box pos box
         | box mark          | box mark
         | pile { list }          | pile "{" list "}"
         | font box          | font box
         | SIZE text box          | "size" text box
         | LEFT text eqn [RIGHT text]          | "left" text eqn ["right" text]
 text    : TEXT  text    : TEXT
 pile    : LPILE  pile    : "lpile" | "cpile" | "rpile"
         | CPILE  pos     : "over" | "sup" | "sub" | "to" | "from"
         | RPILE  mark    : "dot" | "dotdot" | "hat" | "tilde" | "vec"
 pos     : OVER          | "dyad" | "bar" | "under"
         | SUP  font    : "roman" | "italic" | "bold"
         | SUB  list    : eqn
         | TO          | list "above" eqn
         | FROM  
 mark    : DOT  
         | DOTDOT  
         | HAT  
         | TILDE  
         | VEC  
         | DYAD  
         | BAR  
         | UNDER  
 font    : ROMAN  
         | ITALIC  
         | BOLD  
 list    : eqn | list ABOVE eqn  
 .Ed  .Ed
 .Pp  .Pp
 Data in TEXT form is a non-empty sequence of non-space characters or a  Data in TEXT form is a non-empty sequence of non-space characters or a
Line 101  non-empty quoted string.
Line 89  non-empty quoted string.
 Unless within a quoted string, white-space (and enclosing literal quote  Unless within a quoted string, white-space (and enclosing literal quote
 pairs) is thrown away.  pairs) is thrown away.
 Quoted strings are not scanned for replacement definitions.  Quoted strings are not scanned for replacement definitions.
   The following text tokens are translated into an acceptable front-end
   format, if available: alpha, beta, chi, delta, epsilon, eta, gamma,
   iota, kappa, lambda, mu, nu, omega, omicron, phi, pi, psi, rho, sigma,
   tau, theta, upsilon, xi, zeta, DELTA, GAMMA, LAMBDA, OMEGA, PHI, PI,
   PSI, SIGMA, THETA, UPSILON, and XI.
 .Pp  .Pp
 The following control statements are available:  The following control statements are available:
 .Bl -tag -width Ds  .Bl -tag -width Ds
Line 207  In mandoc, this is interpreted as a comment.
Line 200  In mandoc, this is interpreted as a comment.
 .%D 1978  .%D 1978
 .Re  .Re
 .Sh HISTORY  .Sh HISTORY
 The eqn utility, a preprocessor for troff, was originally written by  The eqn utility, a preprocessor for troff, was originally written by
 Brian W. Kernighan and Lorinda L. Cherry in 1975.  Brian W. Kernighan and Lorinda L. Cherry in 1975.
 The GNU reimplementation of eqn, part of the GNU troff package, was  The GNU reimplementation of eqn, part of the GNU troff package, was
 released in 1989 by James Clark.  released in 1989 by James Clark.

Legend:
Removed from v.1.14  
changed lines
  Added in v.1.15

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