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docs/interrupts/inter61/CATEGORY.KEY

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+[File provided by Bent Lynggaard <lynggaard@risoe.dk>]
+This list suggests keywords for search on different categories. More than
+one keyword are suggested for some categories, separated by a semicolon.
+
+--------!---CATEGORYKEYS----------------------
+	A - applications, a - access software;screen readers,
+	B - BIOS;Basic In/Out System (BIOS);In/Out system (BIOS);Out/In system (BIOS),
+	b - vendor-specific BIOS;BIOS (vendor-specific);extensions (BIOS),
+	C - CPU-generated, c - caches;spoolers,
+	D - DOS kernel;kernel (DOS);operating system (DOS),
+	d - disk I/O enhancements;enhancements (disk I/O),
+	E - DOS extenders;extenders (DOS),
+	e - electronic mail;e-mail;mail (electronic),
+	F - FAX;telefax, f - file manipulation,
+	G - debuggers;debugging tools, g - games
+	H - hardware, h - vendor-specific hardware;hardware (vendor-specific),
+	I - IBM workstation;IBM terminal emulators,
+	i - system info;system monitoring
+	J - Japanese, j - joke programs,
+	K - keyboard enhancers;enhancers (keyboard),
+	k - file compression;compression (files),
+	l - shells;command interpreters,
+	M - mouse;pointing device, m - memory management,
+	N - network, n - non-traditional input devices;special input devices,
+	O - other operating systems;non-standard operating systems;operating systems (non-standard),
+	P - printer enhancements;enhancements (printer), p - power management,
+	Q - DESQview programs;TopView programs;Quarterdeck programs,
+	R - remote control;remote file access, r - runtime support,
+	S - serial I/O;COM port I/O, s - sound;speech,
+	T - DOS-based task switchers;task switchers;multitaskers,
+	t - TSR libraries
+	U - resident utilities;utilities (resident);TSR utilities,
+	u - emulators,
+	V - video, v - virus;antivirus, W - MS Windows;Windows,
+	X - expansion bus BIOSes;BIOSes (expansion bus),
+	y - security, * - reserved