charset_normalizer_dart 0.1.0

Charset detection for Dart and Flutter, ported from Python charset_normalizer.

0.1.0

• Initial version.
• Dart implementation of charset_normalizer core detection APIs.
• Supports comprehensive text encoding detection.
• Aligned Unicode data and detection behavior with charset_normalizer 3.4.9.
• Added UTF-7 SIG handling and the upstream fallback decode regression fix.
• Added bounded character caches and bounded large-file validation.