diff options
Diffstat (limited to 'lib/axlsx/drawing/area_chart.rb')
| -rw-r--r-- | lib/axlsx/drawing/area_chart.rb | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/axlsx/drawing/area_chart.rb b/lib/axlsx/drawing/area_chart.rb index 8339c255..96711cd3 100644 --- a/lib/axlsx/drawing/area_chart.rb +++ b/lib/axlsx/drawing/area_chart.rb @@ -76,14 +76,14 @@ module Axlsx # @return [String] def to_xml_string(str = +'') super(str) do - str << (+"<c:" << node_name << ">") - str << (+'<c:grouping val="' << grouping.to_s << '"/>') - str << (+'<c:varyColors val="' << vary_colors.to_s << '"/>') + str << "<c:" << node_name << ">" + str << '<c:grouping val="' << grouping.to_s << '"/>' + str << '<c:varyColors val="' << vary_colors.to_s << '"/>' @series.each { |ser| ser.to_xml_string(str) } @d_lbls.to_xml_string(str) if @d_lbls yield if block_given? axes.to_xml_string(str, :ids => true) - str << (+"</c:" << node_name << ">") + str << "</c:" << node_name << ">" axes.to_xml_string(str) end end |