Bookmarks file format
---------------------

Pairs of lines, the first line of each pair is the title, the second
line is the URL.

The URL can take the following special cases:
  [+           = start of sub-section (open)
  [-           = start of sub-section (closed)
  ]            = end of sub-section
  %<leafname>  = link to other bookmarks file



Disc Cache file format
----------------------

First line: "Cache/1"

<URL> <flags> <type> <fetchtime> <lastusetime> <expirytime> <size> <filename rel to root>

type:       4 = redirect
            6 = ishtml



FileTypes file format
---------------------

        <line> = <filetype>[,<filetype>]*:<action>
      <action> = *<os command> | Run | RunAs <filetype> | ArcWebRender
    <filetype> = <hex digit>[<hex digit>][<hex digit>]
   <hex digit> = 0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|A|B|C|D|E|F

In star commands, %0 is the filename.

e.g.

FF9,CB6:*Run <ChangeFSI$Dir>.!Run %0
123:Run
234:RunAs FFF
345:ArcWebRender