lib/metaheader.rb in metaheader-1.3beta3 vs lib/metaheader.rb in metaheader-1.3beta4

@@ -225,33 +225,46 @@
     @raw_value = match[:value]
     value = parse_value @raw_value
 
     @last_tag = Tag.new match[:key].freeze, value
     @line_breaks = 0
+    @block_indent = nil
 
     # disable implicit values with the alternate syntax
     register @last_tag unless match[:alt] && match[:value].nil?
 
     # ok, give me another line!
     true
   end
 
   def register(tag)
+    return if has? tag
     key = tag.name.downcase.gsub(/[^\w]/, '_').to_sym
     @data[key] = tag
   end
 
+  # handle multiline tags
   def append(line)
     prefix = line.rstrip
     if prefix == @last_prefix.rstrip
       @line_breaks += 1
       @empty_lines += 1 if prefix.empty?
       return true # add the line break later
     elsif line.start_with? @last_prefix
       mline = line[@last_prefix.size..-1]
-      stripped = mline.lstrip
-      indent_level = mline.index stripped
-      return if indent_level < 1
+
+      if @block_indent
+        if mline.start_with? @block_indent
+          stripped = mline[@block_indent.size..-1]
+        else
+          return
+        end
+      else
+        stripped = mline.lstrip
+        indent_level = mline.index stripped
+        return if indent_level < 1
+        @block_indent = mline[0, indent_level]
+      end
     else
       return
     end
 
     # add the tag if it uses the alternate syntax and has no value