Enable the RUF003 lint in Ruff

.ruff.toml

@@ -222,7 +222,7 @@ select = [
     # ruff-specific rules ('RUF')
 #    "RUF001",  # String contains ambiguous {}. Did you mean {}?
     "RUF002",  # Docstring contains ambiguous {}. Did you mean {}?
-#    "RUF003",  # Comment contains ambiguous {}. Did you mean {}?
+    "RUF003",  # Comment contains ambiguous {}. Did you mean {}?
     "RUF005",  # Consider `{expression}` instead of concatenation
     "RUF006",  # Store a reference to the return value of `{expr}.{method}`
     "RUF007",  # Prefer `itertools.pairwise()` over `zip()` when iterating over successive pairs

sphinx/util/i18n.py

@@ -167,11 +167,11 @@ def docname_to_domain(docname: str, compaction: bool | str) -> str:
 
 # date_format mappings: ustrftime() to babel.dates.format_datetime()
 date_format_mappings = {
-    '%a':  'EEE',     # Weekday as locale’s abbreviated name.
-    '%A':  'EEEE',    # Weekday as locale’s full name.
-    '%b':  'MMM',     # Month as locale’s abbreviated name.
-    '%B':  'MMMM',    # Month as locale’s full name.
-    '%c':  'medium',  # Locale’s appropriate date and time representation.
+    '%a':  'EEE',     # Weekday as locale's abbreviated name.
+    '%A':  'EEEE',    # Weekday as locale's full name.
+    '%b':  'MMM',     # Month as locale's abbreviated name.
+    '%B':  'MMMM',    # Month as locale's full name.
+    '%c':  'medium',  # Locale's appropriate date and time representation.
     '%-d': 'd',       # Day of the month as a decimal number.
     '%d':  'dd',      # Day of the month as a zero-padded decimal number.
     '%-H': 'H',       # Hour (24-hour clock) as a decimal number [0,23].
@@ -184,7 +184,7 @@ def docname_to_domain(docname: str, compaction: bool | str) -> str:
     '%m':  'MM',      # Month as a zero-padded decimal number.
     '%-M': 'm',       # Minute as a decimal number [0,59].
     '%M':  'mm',      # Minute as a zero-padded decimal number [00,59].
-    '%p':  'a',       # Locale’s equivalent of either AM or PM.
+    '%p':  'a',       # Locale's equivalent of either AM or PM.
     '%-S': 's',       # Second as a decimal number.
     '%S':  'ss',      # Second as a zero-padded decimal number.
     '%U':  'WW',      # Week number of the year (Sunday as the first day of the week)
@@ -196,8 +196,8 @@ def docname_to_domain(docname: str, compaction: bool | str) -> str:
                       # Monday are considered to be in week 0.
     '%W':  'WW',      # Week number of the year (Monday as the first day of the week)
                       # as a zero-padded decimal number.
-    '%x':  'medium',  # Locale’s appropriate date representation.
-    '%X':  'medium',  # Locale’s appropriate time representation.
+    '%x':  'medium',  # Locale's appropriate date representation.
+    '%X':  'medium',  # Locale's appropriate time representation.
     '%y':  'YY',      # Year without century as a zero-padded decimal number.
     '%Y':  'yyyy',    # Year with century as a decimal number.
     '%Z':  'zzz',     # Time zone name (no characters if no time zone exists).