code: function(pixel) {
  			if (!this._clientDiv) { return; }
  			pixel = Math.max(0, pixel);
  			this._scrollView(pixel - this._getScroll().x, 0);
  		}
docs: Sets the horizontal pixel.
  <p>
  The horizontal pixel is the pixel position that is currently at
  the left edge of the view.  This position is relative to the
  beginning of the document.
  </p>
  
  @param {Number} pixel the horizontal pixel.
  
  @see orion.editor.TextView#getHorizontalPixel
  @see orion.editor.TextView#convert