From a2cc547db115695dccb16ebde7149a7beeb768fd Mon Sep 17 00:00:00 2001
From: Chris Lilley iTXt International textual data
uncompressed text, encoders shall set the compression method to 0, and decoders shall ignore it.
The language tag is a well-formed language tag defined by [[BCP47]]. Unlike the keyword, the language tag is
- case-insensitive. Subtags must appear in the IANA language subtag registry. If the language tag is empty, the language is
+ case-insensitive. Subtags must appear in the
+ IANA language subtag registry.
+ If the language tag is empty, the language is
unspecified. Examples of language tags include: en
, en-GB
, es-419
,
zh-Hans
, zh-Hans-CN
, tlh-Cyrl-AQ
, ar-AE-u-nu-latn
, and
x-private
.