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.IX Title "ADD_CLASSES 1"
.TH ADD_CLASSES 1 2026-10-03 "perl v5.44.0" "User Contributed Perl Documentation"
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.SH NAME
add_classes \- add class information to an attachment point database
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\&  add_classes \-c classes.xml infile.xml
.Ve
.PP
For each glyph in the infile.xml attachment point database, find all the
classes in classes.xml containing names that match the glyph. Ensure that
the classes property contains a list of those classes that match. Print
the results to stdout.
.SH OPTIONS
.IX Header "OPTIONS"
.Vb 4
\&  \-c classes.xml    List of classes and their contents
\&  \-h                print manpage
\&  \-p                Create classes for each property value
\&                    called property_value
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
Inserting a classes property in an attachment point database allows one to
create context classes in the generated GDL or VOLT.
.PP
The DTD for the classes file is:
.PP
.Vb 1
\&    <!ELEMENT classes (class, property)*>
\&
\&    <!ELEMENT class (#PCDATA)>
\&    <!ATTLIST class
\&        name    CDATA #REQUIRED
\&        exts    CDATA #IMPLIED>
\&
\&    <!ELEMENT property (#PCDATA)>
\&    <!ATTLIST property
\&        name    CDATA #REQUIRED
\&        value   CDATA #REQUIRED
\&        exts    CDATA #IMPLIED>
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.SH AUTHOR
.IX Header "AUTHOR"
Martin Hosken <http://scripts.sil.org/FontUtils>.
(see CONTRIBUTORS for other authors).
.SH LICENSING
.IX Header "LICENSING"
Copyright (c) 1998\-2016, SIL International (http://www.sil.org)
.PP
This script is released under the terms of the Artistic License 2.0.
For details, see the full text of the license in the file LICENSE.