Bug 251201

Interop-2023 See https://wpt.fyi/results/css/css-text-decor/text-emphasis-style-property-010Cf.html?label=master&label=experimental&product=chrome&product=firefox&product=safari&aligned&view=interop&q=label%3Ainterop-2023-webcompat https://drafts.csswg.org/css-text-decor-3/#text-emphasis-style-property The marks are drawn once for each typographic character unit. However, emphasis marks are not drawn for: Word separators or other characters that belong to the Unicode separator classes (Z*). (But note that emphasis marks are drawn for a space that combines with any combining characters.) Punctuation--specifically, any characters that belong to the Unicode P* general category and do not NFKD normalize [UAX15] to any of the following symbols: # U+0023 NUMBER SIGN % U+0025 PERCENT SIGN ‰ U+2030 PER MILLE SIGN ‱ U+2031 PER TEN THOUSAND SIGN ٪ U+066A ARABIC PERCENT SIGN ؉ U+0609 ARABIC-INDIC PER MILLE SIGN ؊ U+060A ARABIC-INDIC PER TEN THOUSAND SIGN & U+0026 AMPERSAND ⁊ U+204A TIRONIAN SIGN ET @ U+0040 COMMERCIAL AT § U+00A7 SECTION SIGN ¶ U+00B6 PILCROW SIGN ⁋ U+204B REVERSED PILCROW SIGN ⁓ U+2053 SWUNG DASH 〽️ U+303D PART ALTERNATION MARK Characters belonging to the Unicode classes for control codes and unassigned characters (Cc, Cf, Cn).