/*
Syntax error: Undefined mixin 'span-columns'.
        on line 3 of /Users/benfrain/Documents/Storage/articles/packt/SassCompass/Chapter5/rewrites/rewrite3/code/sass/partials/_chapter-examples.scss, in `span-columns'
        from line 3 of /Users/benfrain/Documents/Storage/articles/packt/SassCompass/Chapter5/rewrites/rewrite3/code/sass/partials/_chapter-examples.scss

1: /Users/benfrain/Documents/Storage/articles/packt/SassCompass/Chapter5/rewrites/rewrite3/code/sass/partials/_chapter-examples.scss

Backtrace:
/Users/benfrain/Documents/Storage/articles/packt/SassCompass/Chapter5/rewrites/rewrite3/code/sass/partials/_chapter-examples.scss:3:in `span-columns'
/Users/benfrain/Documents/Storage/articles/packt/SassCompass/Chapter5/rewrites/rewrite3/code/sass/partials/_chapter-examples.scss:3
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:256:in `visit_mixin'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:37:in `send'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:37:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:100:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:53:in `visit_children'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:53:in `map'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:53:in `visit_children'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:109:in `visit_children'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:121:in `with_environment'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:108:in `visit_children'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:37:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:325:in `visit_rule'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:37:in `send'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:37:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:100:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:53:in `visit_children'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:53:in `map'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:53:in `visit_children'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:109:in `visit_children'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:121:in `with_environment'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:108:in `visit_children'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:37:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:128:in `visit_root'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:37:in `send'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/base.rb:37:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:100:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:7:in `send'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/visitors/perform.rb:7:in `visit'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/root_node.rb:36:in `css_tree'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/tree/root_node.rb:20:in `render'
/Library/Ruby/Gems/1.8/gems/sass-3.3.0.alpha.107/lib/sass/../sass/engine.rb:265:in `render'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:140:in `compile'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:126:in `timed'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:139:in `compile'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/logger.rb:45:in `red'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:138:in `compile'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:118:in `compile_if_required'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:103:in `run'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:101:in `each'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:101:in `run'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:126:in `timed'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:100:in `run'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/commands/update_project.rb:45:in `perform'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/commands/base.rb:18:in `execute'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/commands/project_base.rb:19:in `execute'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/exec/sub_command_ui.rb:43:in `perform!'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/exec/sub_command_ui.rb:15:in `run!'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/bin/compass:30
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/bin/compass:44:in `call'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/bin/compass:44
/usr/bin/compass:23:in `load'
/usr/bin/compass:23
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Syntax error: Undefined mixin 'span-columns'.\A         on line 3 of /Users/benfrain/Documents/Storage/articles/packt/SassCompass/Chapter5/rewrites/rewrite3/code/sass/partials/_chapter-examples.scss, in `span-columns'\A         from line 3 of /Users/benfrain/Documents/Storage/articles/packt/SassCompass/Chapter5/rewrites/rewrite3/code/sass/partials/_chapter-examples.scss\A \A 1: /Users/benfrain/Documents/Storage/articles/packt/SassCompass/Chapter5/rewrites/rewrite3/code/sass/partials/_chapter-examples.scss"; }
