Fallback to replying to Message_DataRequest with native type

When the preferred list of types is exhausted, Clipboard Manager should at least respond with the native type (per DnD spec 5.3.1). Since only text is supported, this translates to always replying.

Version 5.78. Tagged as 'Wimp-5_78'

VersionASM

@@ -9,12 +9,12 @@
                         GBLS    Module_ApplicationDate
                         GBLS    Module_HelpVersion
                         GBLS    Module_ComponentName
-Module_MajorVersion     SETS    "5.77"
-Module_Version          SETA    577
+Module_MajorVersion     SETS    "5.78"
+Module_Version          SETA    578
 Module_MinorVersion     SETS    ""
-Module_Date             SETS    "20 Jul 2020"
-Module_ApplicationDate  SETS    "20-Jul-20"
+Module_Date             SETS    "26 Aug 2020"
+Module_ApplicationDate  SETS    "26-Aug-20"
 Module_ComponentName    SETS    "Wimp"
-Module_FullVersion      SETS    "5.77"
-Module_HelpVersion      SETS    "5.77 (20 Jul 2020)"
+Module_FullVersion      SETS    "5.78"
+Module_HelpVersion      SETS    "5.78 (26 Aug 2020)"
                         END

VersionNum

-/* (5.77)
+/* (5.78)
  *
  * This file is automatically maintained by srccommit, do not edit manually.
  *
  */
-#define Module_MajorVersion_CMHG        5.77
+#define Module_MajorVersion_CMHG        5.78
 #define Module_MinorVersion_CMHG
-#define Module_Date_CMHG                20 Jul 2020
+#define Module_Date_CMHG                26 Aug 2020
 
-#define Module_MajorVersion             "5.77"
-#define Module_Version                  577
+#define Module_MajorVersion             "5.78"
+#define Module_Version                  578
 #define Module_MinorVersion             ""
-#define Module_Date                     "20 Jul 2020"
+#define Module_Date                     "26 Aug 2020"
 
-#define Module_ApplicationDate          "20-Jul-20"
+#define Module_ApplicationDate          "26-Aug-20"
 
 #define Module_ComponentName            "Wimp"
 
-#define Module_FullVersion              "5.77"
-#define Module_HelpVersion              "5.77 (20 Jul 2020)"
-#define Module_LibraryVersionInfo       "5:77"
+#define Module_FullVersion              "5.78"
+#define Module_HelpVersion              "5.78 (26 Aug 2020)"
+#define Module_LibraryVersionInfo       "5:78"

s/CBTask

@@ -283,7 +283,8 @@ cbtask_datarequest_rx
         TEQ     R0,#4
         BNE     cbtask_poll             ; no, ignore
 
-        ; can we service this request?  We only export text (&FFF)
+        ; can we service this request?  We only export text
+      [ {FALSE}
         ADD     R0,R1,#msDataRequest_filetypes
         ADD     R2,R1,#256
         LDR     R4,=FileType_Text
@@ -294,8 +295,12 @@ cbtask_datarequest_rx
         TEQ     R0,R2
         CMPNE   R3,#msDataRequest_filetypes_end
         BEQ     cbtask_poll             ; reached end of the list, so abort
-
         B       %BT01                   ; look at the next entry
+      |
+        ; whether it's in the list or not, or the list is null, we
+        ; offer back the native type (text) by default
+        LDR     R3,=FileType_Text
+      ]
 02
         ; requesting task can handle text files
         ; set up datarequest reply