message: Issue 193: Use codepoint category
  Switch from issspace to Unicode
  codepoint category lookup in attempt
  to blindly fix some test failures.
diff: @@ -13,7 +13,7 @@ namespace duckdb {
  struct SpaceChar {
  static char Operation(utf8proc_int32_t codepoint) {
  - return isspace(codepoint);
  + return UTF8PROC_CATEGORY_ZS == utf8proc_category(codepoint);
  }
  };
  