comment code

Hi
for any file extension and  code content ( css php html ) phpstrom support comment using line or block option.

1) for compass config.rb  there is no option !!
I know line comment using #but don't know if  block comment exist .
I need to comment uncoment  code in config.rb for post autoprefix ( hack available on the web  require 'autoprefixer-rails' on ...if ...else ...end .....end ). auto prefix is available online http://jsfiddle.net/roine/S8qv9/


2) for hidden tag like javascript  if we use CDATA xml syntax for hide the content that browser parser don't understand  ,the wrapper comment
is  <!--   content  -->.
Does it make sense to support

<!--      //    <![CDATA[content //]]>    -->

this is common in kml file for gis purpose https://developers.google.com/kml/documentation/extendeddata

<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2">
  <Document>
    <Placemark>
      <name>CDATA example</name>
      <description>
        <![CDATA[
          <h1>CDATA Tags are useful!</h1>
          <p><font color="red">Text is <i>more readable</i> and 
          <b>easier to write</b> when you can avoid using entity 
          references.</font></p>
        ]]>
      </description>
in

in this google page https://developers.google.com/kml/documentation/kml_tut#descriptive_html. documentation cover entity .Does  phpstorm support 2 way html convertion entity  ?
regard's