Web encoding sniffer
Web::Encoding::Sniffer class implements various character encoding sniffing alrogithms used within the Web platform.
It implements following variants of sniffing algorithm:
This module is intended to be invoked from another modules (rather than applications), such as Web::HTML::Parser, Web::XML::Parser, and Web::CSS::Parser.
Add XML declaration encoding sniffing
<https://github.com/whatwg/html/pull/1752/files> (as of October 2016).
The encoding of the XML and text documents MUST be determined by the encoding sniffing algorithm, with following modifications:
The steps to prescan a byte stream to determine its encoding MUST abort after running steps to extract an encoding from an XML declaration. If those steps return failure, the encoding used MUST be UTF-8.
The steps to prescan a byte stream to determine its encoding MUST return failure.
CSS Syntax Module
Copyright 2007-2017 Wakaba <email@example.com>.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.