xref_section.rb in metanorma-iso-2.3.1

- old
+ new

@@ -1,14 +1,13 @@
 module IsoDoc
   module Iso
     class Xref < IsoDoc::Xref
       # we can reference 0-number clauses in introduction
       def introduction_names(clause)
-        return if clause.nil?
-
+        clause.nil? and return
         clause.at(ns("./clause")) and
-          @anchors[clause["id"]] = { label: "0", level: 1, type: "clause",
+          @anchors[clause["id"]] = { label: nil, level: 1, type: "clause",
                                      xref: clause.at(ns("./title"))&.text }
         i = Counter.new
         clause.xpath(ns("./clause")).each do |c|
           i.increment(c)
           section_names1(c, "0.#{i.print}", 2)
@@ -41,10 +40,10 @@
       # retaining subtype for the semantics
       def section_names1(clause, num, level)
         @anchors[clause["id"]] =
           { label: num, level: level, xref: num, subtype: "clause" }
         i = Counter.new
-        clause.xpath(ns("./clause | ./terms | ./term | ./definitions | "\
+        clause.xpath(ns("./clause | ./terms | ./term | ./definitions | " \
                         "./references"))
           .each do |c|
           i.increment(c)
           section_names1(c, "#{num}.#{i.print}", level + 1)
         end