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Diff for /src/usr.bin/m4/m4.1 between version 1.52 and 1.53

version 1.52, 2008/08/16 12:26:07 version 1.53, 2008/08/21 21:02:28
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 In this mode, translit handles simple character  In this mode, translit handles simple character
 ranges (e.g., a-z), regular expressions mimic emacs behavior,  ranges (e.g., a-z), regular expressions mimic emacs behavior,
 multiple m4wrap calls are handled as a stack,  multiple m4wrap calls are handled as a stack,
 and the number of diversions is unlimited.  the number of diversions is unlimited,
   empty names for macro definitions are allowed,
   and eval understands
   .Sq 0rbase:value
   numbers.
 .It Fl I Ar "dirname"  .It Fl I Ar "dirname"
 Add directory  Add directory
 .Ar dirname  .Ar dirname
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 .Fa arg1  .Fa arg1
 and following arguments, in a way similar to  and following arguments, in a way similar to
 .Xr printf 3 .  .Xr printf 3 .
 This built-in is only available in GNU-m4 compatibility mode, and the  This built-in is only available in GNU-m4 compatibility mode, and the only
 left-padding flag, an optional field width and the %s data type  parameters implemented are there for autoconf compatibility:
 are the only supported parameters.  left-padding flag, an optional field width, a maximum field width,
   *-specified field widths, and the %s and %c data type.
 .It Fn ifdef name yes no  .It Fn ifdef name yes no
 If the macro named by the first argument is defined then return the second  If the macro named by the first argument is defined then return the second
 argument, otherwise the third.  argument, otherwise the third.
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Removed from v.1.52  
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  Added in v.1.53