[css-counter-styles-3][editorial] Drop the editorial note from the Initial lines in a few propdefs, so they're parseable like other blocks. #7417

Author: tabatkins

css-counter-styles-3/Overview.bs

@@ -763,7 +763,7 @@ Formatting negative values: the '@counter-style/negative' descriptor</h3>
 	Name: negative
 	For: @counter-style
 	Value: <<symbol>> <<symbol>>?
-	Initial: "\2D" ("-" hyphen-minus)
+	Initial: "-"
 	</pre>
 
 	The '@counter-style/negative' descriptor defines how to alter the representation when
@@ -807,7 +807,7 @@ Symbols before the marker: the '@counter-style/prefix' descriptor</h3>
 	Name: prefix
 	For: @counter-style
 	Value: <<symbol>>
-	Initial: "" (the empty string)
+	Initial: ""
 	</pre>
 
 	The '@counter-style/prefix' descriptor specifies a <<symbol>>
@@ -835,7 +835,7 @@ Symbols after the marker: the '@counter-style/suffix' descriptor</h3>
 	Name: suffix
 	For: @counter-style
 	Value: <<symbol>>
-	Initial: "\2E\20" ("." full stop followed by a space)
+	Initial: ". "
 	</pre>
 
 	The '@counter-style/suffix' descriptor specifies a <<symbol>>