mandoc/roff.7 - diff

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Diff for /mandoc/roff.7 between version 1.28 and 1.30

-version 1.28, 2011/04/30 10:18:25
+version 1.30, 2011/07/28 14:17:11
 Line 448  than having the request or macro follow as
 Line 448  than having the request or macro follow as
 Line 448  than having the request or macro follow as
  The scope of a conditional is always parsed, but only executed if the
  conditional evaluates to true.
  .Pp
- Note that text following an
+ Note that the
- .Sq \&.\e}
- escape sequence is discarded.
- Furthermore, if an explicit closing sequence
  .Sq \e}
- is specified in a free-form line, the entire line is accepted within the
+ is converted into a zero-width escape sequence if not passed as a
- scope of the prior request, not only the text preceding the close, with the
+ standalone macro
+ .Sq \&.\e} .
+ For example,
+ .Pp
+ .D1 \&.Fl a \e} b
+ .Pp
+ will result in
  .Sq \e}
- collapsing into a zero-width space.
+ being considered an argument of the
+ .Sq \&Fl
+ macro.
  .Ss \&ig
  Ignore input.
  Its syntax can be either
-Line 579  This line-scoped request can take an arbitrary number
+Line 584  This line-scoped request can take an arbitrary number
 Line 579  This line-scoped request can take an arbitrary number
 Line 584  This line-scoped request can take an arbitrary number
  Currently, it is ignored including its arguments.
  .Ss \&tr
  Output character translation.
- This request is intended to have one argument,
+ Its syntax is as follows:
- consisting of an even number of characters.
+ .Pp
- Currently, it is ignored including its arguments,
+ .D1 Pf \. Cm \&tr Ar [ab]+
- and the number of arguments is not checked.
+ .Pp
+ Pairs of
+ .Ar ab
+ characters are replaced
+ .Ar ( a
+ for
+ .Ar b ) .
+ Replacement (or origin) characters may also be character escapes; thus,
+ .Pp
+ .Dl tr \e(xx\e(yy
+ .Pp
+ replaces all invocations of \e(xx with \e(yy.
  .Ss \&T&
  Re-start a table layout, retaining the options of the prior table
  invocation.

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