diff options
Diffstat (limited to 'lib/axlsx/drawing/axes.rb')
| -rw-r--r-- | lib/axlsx/drawing/axes.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/axlsx/drawing/axes.rb b/lib/axlsx/drawing/axes.rb index c84b4378..0baad85f 100644 --- a/lib/axlsx/drawing/axes.rb +++ b/lib/axlsx/drawing/axes.rb @@ -29,11 +29,11 @@ module Axlsx # @option options ids # If the ids option is specified only the axis identifier is # serialized. Otherwise, each axis is serialized in full. - def to_xml_string(str = '', options = {}) + def to_xml_string(str = +'', options = {}) if options[:ids] # CatAxis must come first in the XML (for Microsoft Excel at least) sorted = axes.sort_by { |name, axis| axis.kind_of?(CatAxis) ? 0 : 1 } - sorted.each { |axis| str << ('<c:axId val="' << axis[1].id.to_s << '"/>') } + sorted.each { |axis| str << (+'<c:axId val="' << axis[1].id.to_s << '"/>') } else axes.each { |axis| axis[1].to_xml_string(str) } end |