TMPL_4002_CsHt Context sensitive Help topics.txt
Topic: pstring (1-byte length)

TMPL_4001_HpTp Help topics.txt
list (2-byte one-based item count)
  Topic name: pstring (1-byte length; 33 bytes reserved)
  Text resID: 2-byte integer (decimal)

TMPL_4000_HlpG Help graphics.txt
list (2-byte one-based item count)
  Graphic type: 4-byte integer (char)
  resID: 2-byte integer (decimal)
  offset: 2-byte integer (decimal)