Fix tabSize doc build breakage, also remove the stray tab that got into docs.

Author: graydon

doc/lib/codemirror-node.js

@@ -11,6 +11,7 @@ exports.splitLines = function(string){return string.split(/\r?\n/);};
 // Counts the column offset in a string, taking tabs into account.
 // Used mostly to find indentation.
 function countColumn(string, end) {
+  tabSize = 4;
   if (end == null) {
     end = string.search(/[^\s\u00a0]/);
     if (end == -1) end = string.length;

doc/rust.md

@@ -351,7 +351,7 @@ Examples of integer literals of various forms:
 ~~~~
 123; 0xff00;                       // type determined by program context; 
                                    // defaults to int in absence of type
-				   // information
+                                   // information
 
 123u;                              // type uint
 123_u;                             // type uint