| ⇢ | A | MetaCharacters added | |
| A | ↘ | B | Serializer got worse |
| ⇢ | B | MetaCharacters::exprIsChar() added | |
| ⇢ | A | MetaCharacters::replaceMeta() added | |
| ⇢ | A | MetaCharacters::add() added | |
| ⇢ | A | MetaCharacters::computeValue() added | |
| ⇢ | A | Serializer::isQuantifiable() added | |
| ⇢ | A | Builder::setMeta() added | |
| ⇢ | A | MetaCharacters::getExpression() added | |
| ⇢ | A | Serializer::isChar() added | |
| ⇢ | A | MetaCharacters::__construct() added | |
| ⇢ | A | Serializer::serializeElement() added | |
| ⋮ | view more | ||
| A | ↛ | Serializer::isOneOptionalString() removed | |
| A | ↛ | PrintableAscii::__construct() removed | |