version bump

lib/metanorma/standoc/base.rb

@@ -178,7 +178,7 @@ def schema_version
       end
 
       def clean_exit
-        @novalid or @log.write("#{@output_dir}#{@filename}.err")
+        @novalid or @log.write("#{@output_dir}#{@filename}.err.html")
         @files_to_delete.each { |f| FileUtils.rm f }
       end
 

lib/metanorma/standoc/merge_bibitems.rb

@@ -47,7 +47,7 @@ def merge1(old, new)
         end
 
         def merge_simple(old, new, field)
-          new[field].blank? and return
+          (new[field].nil? || new[field].empty?) and return
           old[field] = new[field]
         end
 
@@ -77,12 +77,10 @@ def merge_relations(old, new)
         # @old.field is an array, overwrite only those array elements
         # where @old.field[attribute] = @new.field[attribute]
         def merge_by_type(old, new, field, attributes, opt = {})
-          new.nil? || new[field].blank? and return
+          new.nil? || new[field].nil? || new[field].empty? and return
           old.nil? and return new[field]
-          if !old[field].is_a?(::Array) || old[field].empty?
+          !old[field].is_a?(::Array) || old[field].empty? and
             return old[field] = new[field]
-          end
-
           old[field] = merge_by_type1(old, new, field, attributes, opt)
         end
 

lib/metanorma/standoc/version.rb

@@ -19,6 +19,6 @@ def versioned(mod, flavour)
   end
 
   module Standoc
-    VERSION = "2.6.0".freeze
+    VERSION = "2.6.1".freeze
   end
 end

spec/metanorma/biblio_spec.rb

@@ -1133,14 +1133,14 @@
       doi: span:uri.doi[10.1016/j.cities.2022.103905].
     INPUT
     FileUtils.rm_f "test.xml"
-    FileUtils.rm_f "test.err"
+    FileUtils.rm_f "test.err.html"
     begin
       expect do
         Asciidoctor.convert(input, *OPTIONS)
       end.to raise_error(SystemExit)
     rescue SystemExit, RuntimeError
     end
-    expect(File.read("test.err"))
+    expect(File.read("test.err.html"))
       .to include "Missing surname: issue with bibliographic markup in " \
                   "\"The adoption of urban digital twins\""
     expect(File.exist?("test.xml")).to be false