- CSS: fix slow parser for extremely long declarations when removing superfluous whitespace
- strconv: restore the negative-exponent fast path in ParseDecimal
- strconv: fix ParseFloat exponent and overflow bookkeeping
- xml/svg: keep whitespace character references in text content
- XML/SVG: preserve whitespace character references in attribute values
- CSS: add semicolon to non-block at rule at the EOF, fixes #1003