Update readme.

README.md

@@ -2,13 +2,14 @@
 
 This is a very simplistic parser for string values according to the [OSM opening hours specification][opening-hours-specification].
 
-It parses 146'233 (91%) of 161'268 unique test strings in non-strict mode. The remaining 15'035 are likely valid errors, spot checking shows that they have obvious issues. In strict mode further 21'895 fail (total 36'930).
+It parses 146'709 (91%) of 161'268 unique test strings in non-strict mode. The remaining 14'559 are likely valid errors, spot checking shows that they have obvious issues. In strict mode further 22'357 fail (total 36'916).
 
 Deviations from the grammar as of [this version of the opening hours specification][opening-hours-grammar-specification] in all modes:
 
  * case insensitive
  * leading 0s in times optional
  * unicode EN DASH character is allowed for hyphen
+ * various unicode whitespace characters are ignored
 
 In non-strict mode the following further differences are allowed:
 
@@ -22,6 +23,7 @@ In non-strict mode the following further differences are allowed:
  * holidays following weekdays
  * 24/7 rules with preceding selectors are corrected to 00:00-24:00 time spans
  * list of month days after months ( Jan 1,4,5 )
+ * " to " in lieu of a hyphen for ranges
 
 Converting the data structures generated by parsing back to strings will result in correct data according to the specification.