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.\" ========================================================================
.\"
.IX Title "Pod::PlainText 3"
.TH Pod::PlainText 3 "2019-10-24" "perl v5.30.2" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Pod::PlainText \- Convert POD data to formatted ASCII text
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&    use Pod::PlainText;
\&    my $parser = Pod::PlainText\->new (sentence => 0, width => 78);
\&
\&    # Read POD from STDIN and write to STDOUT.
\&    $parser\->parse_from_filehandle;
\&
\&    # Read POD from file.pod and write to file.txt.
\&    $parser\->parse_from_file (\*(Aqfile.pod\*(Aq, \*(Aqfile.txt\*(Aq);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fB\s-1NOTE:\s0 This module is considered legacy; modern Perl releases (5.18 and
higher) are going to remove Pod-Parser from core and use Pod-Simple
for all things \s-1POD.\s0\fR
.PP
Pod::PlainText is a module that can convert documentation in the \s-1POD\s0 format (the
preferred language for documenting Perl) into formatted \s-1ASCII.\s0  It uses no
special formatting controls or codes whatsoever, and its output is therefore
suitable for nearly any device.
.PP
As a derived class from Pod::Parser, Pod::PlainText supports the same methods and
interfaces.  See Pod::Parser for all the details; briefly, one creates a
new parser with \f(CW\*(C`Pod::PlainText\->new()\*(C'\fR and then calls either
\&\fBparse_from_filehandle()\fR or \fBparse_from_file()\fR.
.PP
\&\fBnew()\fR can take options, in the form of key/value pairs, that control the
behavior of the parser.  The currently recognized options are:
.IP "alt" 4
.IX Item "alt"
If set to a true value, selects an alternate output format that, among other
things, uses a different heading style and marks \f(CW\*(C`=item\*(C'\fR entries with a
colon in the left margin.  Defaults to false.
.IP "indent" 4
.IX Item "indent"
The number of spaces to indent regular text, and the default indentation for
\&\f(CW\*(C`=over\*(C'\fR blocks.  Defaults to 4.
.IP "loose" 4
.IX Item "loose"
If set to a true value, a blank line is printed after a \f(CW\*(C`=headN\*(C'\fR headings.
If set to false (the default), no blank line is printed after \f(CW\*(C`=headN\*(C'\fR.
This is the default because it's the expected formatting for manual pages;
if you're formatting arbitrary text documents, setting this to true may
result in more pleasing output.
.IP "sentence" 4
.IX Item "sentence"
If set to a true value, Pod::PlainText will assume that each sentence ends in two
spaces, and will try to preserve that spacing.  If set to false, all
consecutive whitespace in non-verbatim paragraphs is compressed into a
single space.  Defaults to true.
.IP "width" 4
.IX Item "width"
The column at which to wrap text on the right-hand side.  Defaults to 76.
.PP
The standard Pod::Parser method \fBparse_from_filehandle()\fR takes up to two
arguments, the first being the file handle to read \s-1POD\s0 from and the second
being the file handle to write the formatted output to.  The first defaults
to \s-1STDIN\s0 if not given, and the second defaults to \s-1STDOUT.\s0  The method
\&\fBparse_from_file()\fR is almost identical, except that its two arguments are the
input and output disk files instead.  See Pod::Parser for the specific
details.
.SH "DIAGNOSTICS"
.IX Header "DIAGNOSTICS"
.IP "Bizarre space in item" 4
.IX Item "Bizarre space in item"
(W) Something has gone wrong in internal \f(CW\*(C`=item\*(C'\fR processing.  This message
indicates a bug in Pod::PlainText; you should never see it.
.ie n .IP "Can't open %s for reading: %s" 4
.el .IP "Can't open \f(CW%s\fR for reading: \f(CW%s\fR" 4
.IX Item "Can't open %s for reading: %s"
(F) Pod::PlainText was invoked via the compatibility mode \fBpod2text()\fR interface
and the input file it was given could not be opened.
.ie n .IP "Unknown escape: %s" 4
.el .IP "Unknown escape: \f(CW%s\fR" 4
.IX Item "Unknown escape: %s"
(W) The \s-1POD\s0 source contained an \f(CW\*(C`E<>\*(C'\fR escape that Pod::PlainText didn't
know about.
.ie n .IP "Unknown sequence: %s" 4
.el .IP "Unknown sequence: \f(CW%s\fR" 4
.IX Item "Unknown sequence: %s"
(W) The \s-1POD\s0 source contained a non-standard internal sequence (something of
the form \f(CW\*(C`X<>\*(C'\fR) that Pod::PlainText didn't know about.
.IP "Unmatched =back" 4
.IX Item "Unmatched =back"
(W) Pod::PlainText encountered a \f(CW\*(C`=back\*(C'\fR command that didn't correspond to an
\&\f(CW\*(C`=over\*(C'\fR command.
.SH "RESTRICTIONS"
.IX Header "RESTRICTIONS"
Embedded Ctrl-As (octal 001) in the input will be mapped to spaces on
output, due to an internal implementation detail.
.SH "NOTES"
.IX Header "NOTES"
This is a replacement for an earlier Pod::Text module written by Tom
Christiansen.  It has a revamped interface, since it now uses Pod::Parser,
but an interface roughly compatible with the old \fBPod::Text::pod2text()\fR
function is still available.  Please change to the new calling convention,
though.
.PP
The original Pod::Text contained code to do formatting via termcap
sequences, although it wasn't turned on by default and it was problematic to
get it to work at all.  This rewrite doesn't even try to do that, but a
subclass of it does.  Look for Pod::Text::Termcap.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBPod::PlainText\fR is part of the Pod::Parser distribution.
.PP
Pod::Parser, Pod::Text::Termcap,
\&\fBpod2text\fR\|(1)
.SH "AUTHOR"
.IX Header "AUTHOR"
Please report bugs using <http://rt.cpan.org>.
.PP
Russ Allbery <rra@stanford.edu>, based \fIvery\fR heavily on the
original Pod::Text by Tom Christiansen <tchrist@mox.perl.com> and
its conversion to Pod::Parser by Brad Appleton
<bradapp@enteract.com>.