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Diff for /mandoc/eqn.7 between version 1.5 and 1.10

version 1.5, 2011/07/21 10:24:35 version 1.10, 2011/07/21 13:37:04
Line 63  The equation grammar is as follows:
Line 63  The equation grammar is as follows:
 .Bd -literal -offset indent  .Bd -literal -offset indent
 eqn     : box | eqn box  eqn     : box | eqn box
 box     : text  box     : text
           | { eqn }
         | DEFINE text text          | DEFINE text text
         | SET text text          | SET text text
         | UNDEF text          | UNDEF text
           | box mark
           | font box
 text    : TEXT  text    : TEXT
   mark    : DOT
           | DOTDOT
           | HAT
           | TILDE
           | VEC
           | DYAD
           | BAR
           | UNDER
   font    : ROMAN
           | ITALIC
           | BOLD
 .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
 non-empty quoted string.  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.
 .Pp  .Pp
 The following control statements are available:  The following control statements are available:
 .Bl -tag -width Ds  .Bl -tag -width Ds
Line 99  Note that a quoted
Line 114  Note that a quoted
 causes errors in some  causes errors in some
 .Nm  .Nm
 implementations and should not be considered portable.  implementations and should not be considered portable.
   It is not expanded for replacements.
 Definitions may refer to other definitions; these are evaluated  Definitions may refer to other definitions; these are evaluated
 recursively when text replacement occurs and not when the definition is  recursively when text replacement occurs and not when the definition is
 created.  created.
Line 114  Self-referencing definitions will raise an error.
Line 130  Self-referencing definitions will raise an error.
 .It Cm set  .It Cm set
 Set an equation mode.  Set an equation mode.
 Both arguments are thrown away.  Both arguments are thrown away.
   Its syntax is as follows:
   .Pp
   .D1 set Ar key val
   .Pp
   The
   .Ar key
   and
   .Ar val
   are not expanded for replacements.
 .It Cm undef  .It Cm undef
 Unset a previously-defined key.  Unset a previously-defined key.
 Its syntax is as follows:  Its syntax is as follows:
Line 123  Its syntax is as follows:
Line 148  Its syntax is as follows:
 Once invoked, the definition for  Once invoked, the definition for
 .Ar key  .Ar key
 is discarded.  is discarded.
   The
   .Ar key
   is not expanded for replacements.
 .El  .El
 .Sh COMPATIBILITY  .Sh COMPATIBILITY
 This section documents the compatibility of mandoc  This section documents the compatibility of mandoc

Legend:
Removed from v.1.5  
changed lines
  Added in v.1.10

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