anchor.diff:  if exist extensions\viewerText\ (
       cd extensions\viewerText
       call git fetch --all
  -    cd ..\..
   ) else (
       call git clone https://github.com/tagspaces/viewerText.git extensions\viewerText
  -)
  +    cd extensions\viewerText
  +)
  +call bower link
  +cd ..\..
   
   REM -------------------------
   REM editorHTML
  
positive.code: if exist extensions\viewerImage\ (
      cd extensions\viewerImage
      call git fetch --all
      cd ..\..
  ) else (
      call git clone https://github.com/tagspaces/viewerImage.git extensions\viewerImage
  )
  
  REM -------------------------
  REM viewerMD
  
negative.code: if exist extensions\editorText\ (
      cd extensions\editorText
      call git fetch --all
  ) else (
      call git clone https://github.com/tagspaces/editorText.git extensions\editorText
      cd extensions\editorText
  )
  call bower link
  cd ..\..
  
  REM -------------------------
  REM viewerEPUB
  