[css-pseudo-4] First letter, not first word. w3c#5830

Author: fantasai

css-pseudo-4/Overview.bs

@@ -339,10 +339,10 @@ First-Letter Text: ''::first-letter'' pseudo-element and its ''::prefix'' and ''
     (ignoring the exclusion of word separators from <code>Zs</code>)
     represented as
     <code highlight="bnf" style="font-family: inherit">
-    (P (Zs|P)*)? (L|N|S)+ ((Zs|P−(Ps|Pd))* (P−(Ps|Pd))?</code>
+    (P (Zs|P)*)? (L|N|S) ((Zs|P−(Ps|Pd))* (P−(Ps|Pd))?</code>
     or, alternatively,
     <code highlight="bnf" style="font-family: inherit">
-    (&#91;P] [Zs P]*)? [L N S]+ ([Zs [P--[Ps Pd]]]* [P--[Ps Pd]])?</code>
+    (&#91;P] [Zs P]*)? [L N S] ([Zs [P--[Ps Pd]]]* [P--[Ps Pd]])?</code>
     <!-- this is not actually BNF, but it highlights better that way -->
 
     ISSUE: Bikeshed is <a href="https://github.com/tabatkins/bikeshed/issues/2202">eating punctuation</a> in this note, which is not helpful.