Resync with allocations database

* Better document the history of ErrorBase_AbortRegions
* Define OS_Pointer reason codes + missing PointerV code

Version 2.89. Tagged as 'HdrSrc-2_89'

VersionNum

-/* (2.88)
+/* (2.89)
  *
  * This file is automatically maintained by srccommit, do not edit manually.
  *
  */
-#define Module_MajorVersion_CMHG        2.88
+#define Module_MajorVersion_CMHG        2.89
 #define Module_MinorVersion_CMHG        
-#define Module_Date_CMHG                25 Feb 2020
+#define Module_Date_CMHG                16 Mar 2020
 
-#define Module_MajorVersion             "2.88"
-#define Module_Version                  288
+#define Module_MajorVersion             "2.89"
+#define Module_Version                  289
 #define Module_MinorVersion             ""
-#define Module_Date                     "25 Feb 2020"
+#define Module_Date                     "16 Mar 2020"
 
-#define Module_ApplicationDate          "25-Feb-20"
+#define Module_ApplicationDate          "16-Mar-20"
 
 #define Module_ComponentName            "HdrSrc"
 
-#define Module_FullVersion              "2.88"
-#define Module_HelpVersion              "2.88 (25 Feb 2020)"
-#define Module_LibraryVersionInfo       "2:88"
+#define Module_FullVersion              "2.89"
+#define Module_HelpVersion              "2.89 (16 Mar 2020)"
+#define Module_LibraryVersionInfo       "2:89"

hdr/NewErrors

@@ -1309,9 +1309,9 @@ ErrorBase_MachineExceptions     #       &100
 ErrorBase_CoProc0               #       &100
 ErrorBase_FloatingPoint         #       &100
 ErrorBase_EconetExceptions      #       &100
-; Previously ErrorBase_AbortRegions was allocated next, &80000400, but the
-; associated comment said &80000500. It is unclear which base was actually
-; used on RISC OS Select (or even if it was used at all).
+; Previous versions of this header allocated &80000400 to
+; ErrorBase_AbortRegions, used in RISC OS Select, but it was mislabelled in a
+; comment was &80000500, and that was the value communicated to the allocatee.
                                 #       &100
 ErrorBase_AbortRegions		#	&100 ; &80000500
 ; Likewise, ErrorBase_VectorFloatingPoint was briefly assigned &80000500

hdr/Pointer

@@ -41,6 +41,8 @@ PointerReason_Selected          * 2
 PointerReason_Report            * 3
 PointerReason_ExtRequest	* 4
 PointerReason_TouchState	* 5
+PointerReason_WheelChange       * 9
+
 
 
 ;  device record.
@@ -52,5 +54,11 @@ PointerName                     # 1
 
 MinPointerRecordSize            * :INDEX:@
 
+; OS_Pointer reason codes
+                                ^ 0
+OSPointer_GetPointerType        # 1
+OSPointer_SetPointerType        # 1
+OSPointer_ReadAltPosition       # 1 ; 2x scrollwheels
+
         OPT     OldOpt
         END