Bug 287454 [KeyBindings] F16-F19 unusable as shortcut keys in General -> Keys
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/keys/SWTKeyLookup.java
naturalKeyTable.put(F12_NAME, new Integer(SWT.F12));
		nameTable.put(f12, F12_NAME);
		final Integer f13 = new Integer(SWT.F13);
		naturalKeyTable.put(F13_NAME, new Integer(SWT.F13));
		nameTable.put(f13, F13_NAME);
		final Integer f14 = new Integer(SWT.F14);
		naturalKeyTable.put(F14_NAME, new Integer(SWT.F14));
		nameTable.put(f14, F14_NAME);
		final Integer f15 = new Integer(SWT.F15);
		naturalKeyTable.put(F15_NAME, new Integer(SWT.F15));
		nameTable.put(f15, F15_NAME);
		final Integer ff = new Integer(12); 
		naturalKeyTable.put(FF_NAME, ff);
		nameTable.put(ff, FF_NAME);
		final Integer home = new Integer(SWT.HOME);
		naturalKeyTable.put(HOME_NAME, home);
		nameTable.put(home, HOME_NAME);
		final Integer insert = new Integer(SWT.INSERT);
		naturalKeyTable.put(INSERT_NAME, insert);
		nameTable.put(insert, INSERT_NAME);
		final Integer lf = new Integer(SWT.LF);
		naturalKeyTable.put(LF_NAME, lf);
		nameTable.put(lf, LF_NAME);
		final Integer nul = new Integer(SWT.NULL);
		naturalKeyTable.put(NUL_NAME, nul);
		nameTable.put(nul, NUL_NAME);
		final Integer numLock = new Integer(SWT.NUM_LOCK);
		naturalKeyTable.put(NUM_LOCK_NAME, numLock);
		nameTable.put(numLock, NUM_LOCK_NAME);
		final Integer keypad0 = new Integer(SWT.KEYPAD_0);