validate.rb in metanorma-iso-2.5.1

- old
+ new

@@ -32,11 +32,11 @@
       def see_xrefs_validate(root)
         @lang == "en" or return
         root.xpath("//xref").each do |t|
           preceding = t.at("./preceding-sibling::text()[last()]")
           next unless !preceding.nil? &&
-            /\b(see| refer to)\s*\Z/mi.match(preceding)
+            /\b(see| refer to)\p{Zs}*\Z/mi.match(preceding)
 
           (target = root.at("//*[@id = '#{t['target']}']")) || next
           target.at("./ancestor-or-self::*[@obligation = 'normative']") &&
             !target.at("./ancestor::sections") and
             @log.add("Style", t,
@@ -47,10 +47,10 @@
       # ISO/IEC DIR 2, 15.5.3
       def see_erefs_validate(root)
         @lang == "en" or return
         root.xpath("//eref").each do |t|
           prec = t.at("./preceding-sibling::text()[last()]")
-          next unless !prec.nil? && /\b(see|refer to)\s*\Z/mi.match(prec)
+          next unless !prec.nil? && /\b(see|refer to)\p{Zs}*\Z/mi.match(prec)
 
           unless target = root.at("//*[@id = '#{t['bibitemid']}']")
             @log.add("Bibliography", t,
                      "'#{t} is not pointing to a real reference")
             next