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Diff for /mandoc/mandoc.1 between version 1.134 and 1.139

version 1.134, 2015/01/20 22:45:07 version 1.139, 2015/01/28 17:32:07
Line 1273  its value is implicitly set to the empty string.
Line 1273  its value is implicitly set to the empty string.
 However, defining strings explicitly before use  However, defining strings explicitly before use
 keeps the code more readable.  keeps the code more readable.
 .El  .El
   .Ss "Warnings related to tables"
   .Bl -ohang
   .It Sy "tbl line starts with span"
   .Pq tbl
   The first cell in a table layout line is a horizontal span
   .Pq Sq Cm s .
   Data provided for this cell is ignored, and nothing is printed in the cell.
   .It Sy "tbl column starts with span"
   .Pq tbl
   The first line of a table layout specification
   requests a vertical span
   .Pq Sq Cm ^ .
   Data provided for this cell is ignored, and nothing is printed in the cell.
   .It Sy "skipping vertical bar in tbl layout"
   .Pq tbl
   A table layout specification contains more than two consecutive vertical bars.
   A double bar is printed, all additional bars are discarded.
   .El
 .Ss "Errors related to equations"  .Ss "Errors related to equations"
 .Bl -inset -compact  .Bl -inset -compact
 .It "unexpected equation scope closure"  .It "unexpected equation scope closure"
Line 1281  keeps the code more readable.
Line 1299  keeps the code more readable.
 .It "unexpected end of equation"  .It "unexpected end of equation"
 .El  .El
 .Ss "Errors related to tables"  .Ss "Errors related to tables"
 .Bl -inset -compact  .Bl -ohang
 .It "no table layout cells specified"  .It Sy "non-alphabetic character in tbl options"
 .It "no table data cells specified"  .Pq tbl
 .It "ignore data in cell"  The table options line contains a character other than a letter,
 .It "data block still open"  blank, or comma where the beginning of an option name is expected.
 .It "ignoring extra data cells"  The character is ignored.
   .It Sy "skipping unknown tbl option"
   .Pq tbl
   The table options line contains a string of letters that does not
   match any known option name.
   The word is ignored.
   .It Sy "missing tbl option argument"
   .Pq tbl
   A table option that requires an argument is not followed by an
   opening parenthesis, or the opening parenthesis is immediately
   followed by a closing parenthesis.
   The option is ignored.
   .It Sy "wrong tbl option argument size"
   .Pq tbl
   A table option argument contains an invalid number of characters.
   Both the option and the argument are ignored.
   .It Sy "empty tbl layout"
   .Pq tbl
   A table layout specification is completely empty,
   specifying zero lines and zero columns.
   As a fallback, a single left-justified column is used.
   .It Sy "invalid character in tbl layout"
   .Pq tbl
   A table layout specification contains a character that can neither
   be interpreted as a layout key character nor as a layout modifier,
   or a modifier precedes the first key.
   The invalid character is discarded.
   .It Sy "unmatched parenthesis in tbl layout"
   .Pq tbl
   A table layout specification contains an opening parenthesis,
   but no matching closing parenthesis.
   The rest of the input line, starting from the parenthesis, has no effect.
   .It Sy "tbl without any data cells"
   .Pq tbl
   A table does not contain any data cells.
   It will probably produce no output.
   .It Sy "ignoring data in spanned tbl cell"
   .Pq tbl
   A table cell is marked as a horizontal span
   .Pq Sq Cm s
   or vertical span
   .Pq Sq Cm ^
   in the table layout, but it contains data.
   The data is ignored.
   .It Sy "ignoring extra tbl data cells"
   .Pq tbl
   A data line contains more cells than the corresponding layout line.
   The data in the extra cells is ignored.
   .It Sy "data block open at end of tbl"
   .Pq tbl
   A data block is opened with
   .Cm T{ ,
   but never closed with a matching
   .Cm T} .
   The remaining data lines of the table are all put into one cell,
   and any remaining cells stay empty.
 .El  .El
 .Ss "Errors related to roff, mdoc, and man code"  .Ss "Errors related to roff, mdoc, and man code"
 .Bl -ohang  .Bl -ohang
Line 1369  right delimiter or closing brace, or the end of an equ
Line 1442  right delimiter or closing brace, or the end of an equ
 .Xr roff 7  .Xr roff 7
 conditional request is encountered but no matching block is open.  conditional request is encountered but no matching block is open.
 The offending request or macro is discarded.  The offending request or macro is discarded.
   .It Sy "fewer RS blocks open, skipping"
   .Pq man
   The
   .Ic \&RE
   macro is invoked with an argument, but less than the specified number of
   .Ic \&RS
   blocks is open.
   The
   .Ic \&RE
   macro is discarded.
 .It Sy "inserting missing end of block"  .It Sy "inserting missing end of block"
 .Pq mdoc , tbl  .Pq mdoc , tbl
 Various  Various
Line 1537  macro, or a
Line 1620  macro, or a
 block closing request is invoked with at least one argument.  block closing request is invoked with at least one argument.
 All arguments are ignored.  All arguments are ignored.
 .It Sy "skipping excess arguments"  .It Sy "skipping excess arguments"
 .Pq mdoc , roff  .Pq mdoc , man , roff
 The  The
 .Ic \&Bf  .Ic \&Bf
 macro is invoked with more than one argument, or a request of the  macro is invoked with more than one argument, the
   .Ic \&RE
   macro is invoked with more than one argument
   or with a non-integer argument, or a request of the
 .Ic \&de  .Ic \&de
 family is invoked with more than two arguments.  family is invoked with more than two arguments.
 The excess arguments are ignored.  The excess arguments are ignored.
Line 1555  cannot handle input files larger than its arbitrary si
Line 1641  cannot handle input files larger than its arbitrary si
 of 2^31 bytes (2 Gigabytes).  of 2^31 bytes (2 Gigabytes).
 Since useful manuals are always small, this is not a problem in practice.  Since useful manuals are always small, this is not a problem in practice.
 Parsing is aborted as soon as the condition is detected.  Parsing is aborted as soon as the condition is detected.
   .It Sy "unsupported control character"
   .Pq roff
   An ASCII control character supported by other
   .Xr roff 7
   implementations but not by
   .Nm
   was found in an input file.
   It is replaced by a question mark.
 .It Sy "unsupported roff request"  .It Sy "unsupported roff request"
 .Pq roff  .Pq roff
 An input file contains a  An input file contains a
Line 1563  request supported by GNU troff or Heirloom troff but n
Line 1657  request supported by GNU troff or Heirloom troff but n
 .Nm ,  .Nm ,
 and it is likely that this will cause information loss  and it is likely that this will cause information loss
 or considerable misformatting.  or considerable misformatting.
 .It Sy "bad table syntax"  .It Sy "eqn delim option in tbl"
 .It Sy "bad table option"  .Pq eqn , tbl
 .It Sy "bad table layout"  The options line of a table defines equation delimiters.
   Any equation source code contained in the table will be printed unformatted.
   .It Sy "unsupported table layout modifier"
   .Pq tbl
   A table layout specification contains an
   .Sq Cm m
   modifier.
   The modifier is discarded.
 .It Sy "ignoring macro in table"  .It Sy "ignoring macro in table"
   .Pq tbl , mdoc , man
   A table contains an invocation of an
   .Xr mdoc 7
   or
   .Xr man 7
   macro or of an undefined macro.
   The macro is ignored, and its arguments are handled
   as if they were a text line.
 .El  .El
 .Sh COMPATIBILITY  .Sh COMPATIBILITY
 This section summarises  This section summarises
Legend:
Removed from v.1.134  
changed lines
  Added in v.1.139
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