Key Concepts:	keycon.doc

The WinHelp internal filesystem:	whifs.doc

B-Trees:	b_tree.doc

Compression:	compress.doc

Internal files overview:	files.doc

Internal files:
	|SYSTEM:	system.doc
	|FONT:		font.doc
	|Phrases:	phrases.doc
	|TOPIC:		topic.doc	(long)
	|TTLBTREE:	ttlbtree.doc
	|TOMAP:		tomap.doc
	|CONTEXT:	context.doc
	|CTXOMAP:	ctxomap.doc
	|KWBTREE:	kwbtree.doc
	|KWMAP:		kwmap.doc
	|KWDATA:	kwdata.doc
	Baggage:	baggage.doc
	Bitmap files:	bmx.doc
