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Fix tag omission minification; implement entity reencoding minification

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Wilson Lin 2021-08-06 22:53:33 +10:00
commit b0c574dbd7
16 changed files with 125 additions and 58 deletions
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README.md
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@ -413,14 +413,12 @@ Spaces are removed between attributes if possible.
### Entities
Entities are decoded if they're valid and shorter or equal in length when decoded.
Entities are decoded if they're valid and shorter or equal in length when decoded. UTF-8 sequences that have a shorter entity representation are encoded.
Numeric entities that do not refer to a valid [Unicode Scalar Value](https://www.unicode.org/glossary/#unicode_scalar_value) are replaced with the [replacement character](https://en.wikipedia.org/wiki/Specials_(Unicode_block)#Replacement_character).
If an entity is unintentionally formed after decoding, the leading ampersand is encoded, e.g. `&` becomes `&ampamp;`. This is done as `&amp` is equal to or shorter than all other entity representations of characters part of an entity (`[&#a-zA-Z0-9;]`), and there is no other conflicting entity name that starts with `amp`.
Note that it's possible to get an unintentional entity after removing comments, e.g. `&am<!-- -->p`; minify-html will **not** encode the leading ampersand.
### Comments
Comments are removed.