Rewrite URLs using the https scheme to http

We assume HSTS and/or HTTP->HTTPS redirection for resources we link, while keeping the `http` scheme as canonical.

expand/csspring/syntax/tokenizing.py

@@ -46,7 +46,7 @@ def next(n: int) -> str:
     def consume(n: int) -> None:
         """Consume the next code point from the stream.
 
-        Consuming removes a [filtered] code point from the stream. If no code points are available for consumption (the stream is "exhausted"), an empty string signifying the so-called EOF ("end of file", see https://drafts.csswg.org/css-syntax/#eof-code-point) value, is consumed instead.
+        Consuming removes a [filtered] code point from the stream. If no code points are available for consumption (the stream is "exhausted"), an empty string signifying the so-called EOF ("end of file", see http://drafts.csswg.org/css-syntax/#eof-code-point) value, is consumed instead.
         """
         nonlocal consumed # required for the `+=` to work for mutable non-locals like lists (despite the fact that the equivalent `extend` does _not_ require the statement)
         consumed += input.read(n) or [ FilteredCodePoint('', source='') ]

src/csspring/selectors.py

@@ -32,7 +32,7 @@ def parse(production: Production, input: TokenStream) -> Product | Token | None:
 
 @parse.register
 def _(production: AlternativesProduction, input: TokenStream) -> Product | Token | None:
-    """Variant of `parse` for productions of the `|` combinator variety (see https://drafts.csswg.org/css-values-4/#component-combinators)."""
+    """Variant of `parse` for productions of the `|` combinator variety (see http://drafts.csswg.org/css-values-4/#component-combinators)."""
     input.mark()
     for element in production.elements:
         result = parse(element, input)
@@ -69,7 +69,7 @@ def parse_any_value(input: TokenStream) -> Product | None:
 
 @parse.register
 def _(production: CommaSeparatedRepetitionProduction, input: TokenStream) -> Product | None:
-    """Variant of `parse` for productions of the `#` multiplier variety (see https://drafts.csswg.org/css-values-4/#mult-comma)."""
+    """Variant of `parse` for productions of the `#` multiplier variety (see http://drafts.csswg.org/css-values-4/#mult-comma)."""
     result: list[Product | Token] = []
     input.mark()
     while True:
@@ -92,7 +92,7 @@ def _(production: CommaSeparatedRepetitionProduction, input: TokenStream) -> Pro
 
 @parse.register
 def _(production: ConcatenationProduction, input: TokenStream) -> Product | None:
-    """Variant of `parse` for productions of the ` ` combinator variety (see "juxtaposing components" at https://drafts.csswg.org/css-values-4/#component-combinators)."""
+    """Variant of `parse` for productions of the ` ` combinator variety (see "juxtaposing components" at http://drafts.csswg.org/css-values-4/#component-combinators)."""
     result: list[Product | Token] = []
     input.mark()
     for element in production.elements:
@@ -105,7 +105,7 @@ def _(production: ConcatenationProduction, input: TokenStream) -> Product | None
 
 @parse.register
 def _(production: NonEmptyProduction, input: TokenStream) -> Product | None:
-    """Variant of `parse` for productions of the `!` multiplier variety (see https://drafts.csswg.org/css-values-4/#mult-req)."""
+    """Variant of `parse` for productions of the `!` multiplier variety (see http://drafts.csswg.org/css-values-4/#mult-req)."""
     result = cast(Product, parse(production.element, input)) # The element of a non-empty production is concatenation, and the `parse` overload for `ConcatenationProduction` never returns a `Token`, only `Product | None`
     if result and any(tokens(result)):
         return result
@@ -143,7 +143,7 @@ def _(production: RepetitionProduction, input: TokenStream) -> Product | None:
 def _(production: TokenProduction, input: TokenStream) -> Token | None:
     """Variant of `parse` for token productions.
 
-    A token production can be identified in the grammar at https://drafts.csswg.org/selectors-4/#grammar with the `<...-token>` text.
+    A token production can be identified in the grammar at http://drafts.csswg.org/selectors-4/#grammar with the `<...-token>` text.
     """
     input.mark()
     if isinstance(token := input.consume_token(), production.type) and all((getattr(token, name) == value) for name, value in production.attributes.items()):

src/csspring/syntax/grammar.py

@@ -3,6 +3,6 @@
 
 from ..values import Production
 
-# See https://drafts.csswg.org/css-syntax/#any-value
+# See http://drafts.csswg.org/css-syntax/#any-value
 any_value = Production()
 any_value.name = 'any_value'

src/csspring/values.py

@@ -1,4 +1,4 @@
-"""Implement the ["CSS Values and Units Module Level 4"](https://drafts.csswg.org/css-values-4) specification.
+"""Implement the ["CSS Values and Units Module Level 4"](http://drafts.csswg.org/css-values-4) specification.
 
 Only parts currently in use by the rest of the `csspring` pcakge, are implemented.
 """
@@ -135,7 +135,7 @@ def __init__(self, element: Production):
 		self.element = element
 
 class Formatter:
-	"""Class of objects that offer procedures for serializing productions into streams of text formatted per the [value definition syntax](https://drafts.csswg.org/css-values-4/#value-defs)."""
+	"""Class of objects that offer procedures for serializing productions into streams of text formatted per the [value definition syntax](http://drafts.csswg.org/css-values-4/#value-defs)."""
 	grouping_strings = ('[ ', ' ]') # The kind of grouping symbol to use when a production expression must be surrounded with a pair of brace-like grouping symbols, in its serialized form
 	def grouping_mode(self, production: Production):
 		"""Determine whether a given production shall require an explicit pair of grouping symbols when featured as an _operand_ (e.g. in binary/unary operation context).