UTF-8 support from previous version switched in; additional alphabet-...

UTF-8 support from previous version switched in; additional alphabet- conditional support added as follows: 

* Correctly converts character index returned from Font_FindCaret into byte
  index into raw string.
* Left-arrow, right-arrow, delete-left and delete-right now act as far as
  the next character boundary, instead of to the next byte.
* Menu item text justification works again (it relies on overwriting spaces
  with hard space characters, which are two-byte characters in UTF-8).
* General key handling code has been rewritten. The Wimp now has three
  internal key input buffers - one each for taking keyboard-generated,
  task-generated, and function-key-generated strings. Each input buffer is
  processed in chunks of one character, rather than one byte; malformed
  UTF-8 characters are rejected, so tasks don't have to worry about them
  (simplifying their character-handling code). There is also a key output
  buffer, to ensure that (UTF-8) sequences of Key_Pressed events are not
  broken up.
* As a...

Options/s/Morris4

@@ -13,9 +13,11 @@
 ; limitations under the License.
 ;
 ;
-; Wimp options for a RISC OS 3.7x build of the Window Manager
+; Wimp options for a Morris4 build of the Window Manager
 ;
 
+module_postfix	SETS	" Morris4"
+
  	ASSERT	International_Help <> 0
 
         END

Resources/Germany/Messages

@@ -2,7 +2,7 @@ Error:Fehler
 NoError:%0
 Watchdog:Stopp,Abbrechen,Nächste Aufgabe
 Modifiers:^ ‹ ^‹ ‹^
-KeyNames:Esc ESC F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Druck DRUCK Untbr UNTBR Pause PAUSE Tab TAB Eingabe EINGABE Einfg EINFG Pos1 POS1 Bildauf BILDAUF Entf ENTF Copy COPY Ende ENDE Bildab BILDAB Enter ENTER Auf AUF Ab AB Links LINKS Rechts RECHTS Auswahl AUSWAHL Menü MENÜ Spezial SPEZIAL Print PRINT Break BREAK Return RETURN Insert INSERT Home HOME PageUp PAGE UP Delete DELETE End END PageDown PAGE DOWN Up UP Down DOWN Left LEFT Right RIGHT Select SELECT Menu MENU Adjust ADJUST
+KeyNames:Esc ESC F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Druck DRUCK Untbr UNTBR Pause PAUSE Tab TAB Eingabe EINGABE Einfg EINFG Pos1 POS1 Bildauf BILDAUF Entf ENTF Copy COPY Ende ENDE Bildab BILDAB Enter ENTER Auf AUF Ab AB Links LINKS Rechts RECHTS Auswahl AUSWAHL Menü MENÜ Spezial SPEZIAL Print PRINT Break BREAK Return RETURN Insert INSERT Home HOME PageUp PAGE UP Delete DELETE End END PageDown PAGE DOWN Up UP Down DOWN Left LEFT Right RIGHT Acorn ACORN Select SELECT Menu MENU Adjust ADJUST
 OK:OK
 Continue:Weiter
 Quit:Beenden

Resources/UK/Messages

@@ -2,7 +2,7 @@ Error:Error
 NoError:%0
 Watchdog:Stop,Cancel,Next Task
 Modifiers:^  ^ ^
-KeyNames:Esc ESC F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Print PRINT Break BREAK Pause PAUSE Tab TAB Return RETURN Insert INSERT Home HOME PageUp PAGEUP Delete DELETE Copy COPY End END PageDown PAGEDOWN Enter ENTER Up UP Down DOWN Left LEFT Right RIGHT Select SELECT Menu MENU Adjust ADJUST
+KeyNames:Esc ESC F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Print PRINT Break BREAK Pause PAUSE Tab TAB Return RETURN Insert INSERT Home HOME PageUp PAGEUP Delete DELETE Copy COPY End END PageDown PAGEDOWN Enter ENTER Up UP Down DOWN Left LEFT Right RIGHT Acorn ACORN Select SELECT Menu MENU Adjust ADJUST
 OK:OK
 Continue:Continue
 Quit:Quit

hdr/Wimp

@@ -226,6 +226,7 @@ WimpValidation_Line             * 'L'           ; Set line spacing in OS units
 WimpValidation_Pointer          * 'P'           ; Set pointer from sprite name and active posn
 WimpValidation_Border           * 'R'           ; Border type
 WimpValidation_Sprite           * 'S'           ; Sprite name
+WimpValidation_CharLimit        * 'U'           ; Max number of Unicode characters allowed
 WimpValidation_NoAuto           * 'X'           ; wimp doesn't auto size iconbar icons
 
 WimpValidationKey_Return        * 'R'           ; Handle return key