vendor/toolkit/twitter/bootstrap/mixins.less in twitter-bootstrap-rails-2.2.5 vs vendor/toolkit/twitter/bootstrap/mixins.less in twitter-bootstrap-rails-2.2.6

@@ -573,17 +573,17 @@
 #grid {
 
   .core (@gridColumnWidth, @gridGutterWidth) {
 
     .spanX (@index) when (@index > 0) {
-      .span@{index} { .span(@index); }
+      (~".span@{index}") { .span(@index); }
       .spanX(@index - 1);
     }
     .spanX (0) {}
 
     .offsetX (@index) when (@index > 0) {
-      .offset@{index} { .offset(@index); }
+      (~".offset@{index}") { .offset(@index); }
       .offsetX(@index - 1);
     }
     .offsetX (0) {}
 
     .offset (@columns) {
@@ -618,18 +618,18 @@
   }
 
   .fluid (@fluidGridColumnWidth, @fluidGridGutterWidth) {
 
     .spanX (@index) when (@index > 0) {
-      .span@{index} { .span(@index); }
+      (~".span@{index}") { .span(@index); }
       .spanX(@index - 1);
     }
     .spanX (0) {}
 
     .offsetX (@index) when (@index > 0) {
-      .offset@{index} { .offset(@index); }
-      .offset@{index}:first-child { .offsetFirstChild(@index); }
+      (~'.offset@{index}') { .offset(@index); }
+      (~'.offset@{index}:first-child') { .offsetFirstChild(@index); }
       .offsetX(@index - 1);
     }
     .offsetX (0) {}
 
     .offset (@columns) {
@@ -673,10 +673,10 @@
   }
 
   .input(@gridColumnWidth, @gridGutterWidth) {
 
     .spanX (@index) when (@index > 0) {
-      input.span@{index}, textarea.span@{index}, .uneditable-input.span@{index} { .span(@index); }
+      (~"input.span@{index}, textarea.span@{index}, .uneditable-input.span@{index}") { .span(@index); }
       .spanX(@index - 1);
     }
     .spanX (0) {}
 
     .span(@columns) {