Link in code comment no longer relevant for HTML unescaping

[jcamiel]

Documentation

The link in

cpython/Lib/html/__init__.py

Line 28 in 0e081a0

# see http://www.w3.org/TR/html5/syntax.html#tokenizing-character-references

is not longer relevant and should be replace:

• current link http://www.w3.org/TR/html5/syntax.html#tokenizing-character-references
• more accurate link https://html.spec.whatwg.org/multipage/parsing.html#numeric-character-reference-end-state

The link should explain the source of the replacements table:

# see http://www.w3.org/TR/html5/syntax.html#tokenizing-character-references

_invalid_charrefs ={
 0x00: '\ufffd', # REPLACEMENT CHARACTER
 0x0d: '\r', # CARRIAGE RETURN
 0x80: '\u20ac', # EURO SIGN
 0x81: '\x81', # <control>
 0x82: '\u201a', # SINGLE LOW-9 QUOTATION MARK
 0x83: '\u0192', # LATIN SMALL LETTER F WITH HOOK
 0x84: '\u201e', # DOUBLE LOW-9 QUOTATION MARK
 0x85: '\u2026', # HORIZONTAL ELLIPSIS
 0x86: '\u2020', # DAGGER
 0x87: '\u2021', # DOUBLE DAGGER
 0x88: '\u02c6', # MODIFIER LETTER CIRCUMFLEX ACCENT
 0x89: '\u2030', # PER MILLE SIGN
 0x8a: '\u0160', # LATIN CAPITAL LETTER S WITH CARON

Linked PRs

• gh-100210: Correct the comment link for unescaping HTML #100212
• [3.11] gh-100210: Correct the comment link for unescaping HTML (GH-100212) #102044
• [3.10] gh-100210: Correct the comment link for unescaping HTML (GH-100212) #102045

[ezio-melotti]

Fixed, thanks for the report and then PR!