You probably need to enter the codepoint’s hex value (0x2192) rather than its UTF-8 representation.

On 19/02/2018 16:17, Bernhard Kleine wrote:
The UTF8 table at shows this first four lines.

Codepos.        Zeichen         UTF-8
(hex.)  Name
U+2190  ←       e2 86 90        LEFTWARDS ARROW
U+2191  ↑       e2 86 91        UPWARDS ARROW
U+2192  →       e2 86 92        RIGHTWARDS ARROW
U+2193  ↓       e2 86 93        DOWNWARDS ARROW

When I tried to change a utf8 hex value in a simple doc, using Ctrl-Shift-X, I get:

(not a valid hexadecimal sequence to change)

I also tried the 0x1F926 from Bens example below. The same error. What do I wrong?

These arrows would be a good example since they will be used.



Am 19.02.2018 um 10:03 schrieb Oxygen XML Editor Support (Radu Coravu) :

Thanks for the reminder Ben.
Indeed I forgot about this feature in Oxygen:

which basically allows you to type away the hex digits in Oxygen and then invoke the special "Convert Hexadecimal Sequence to Character" action.


Radu Coravu
<oXygen/>  XML Editor, Schema Editor and XSLT Editor/Debugger

On 2/19/2018 10:56 AM, Ben McGinnes wrote:
On Mon, Feb 19, 2018 at 09:33:28AM +0200, Oxygen XML Editor Support (Radu Coravu)  wrote:
Hi Bernhard,

It seems that for "nbsp" which has the decimal equivalent "160" you would need to type "ALT" and then "0160", that leading "0" seems to be important. The same probably for all other characters, type their decimal equivalent
but it needs to be four typed figures.

Oh, how quickly we forget certain things.  :)

oXygen has had the ability to enter UTF-8 characters in the first
plane by their four character hexadecimal code point value since
version 17.1.  I can't recall what the default hotkey is for invoking
it because I changed mine (back) to F8 as soon as I installed that
version.  I believe I've still got the plugin you guys provided me
during my trial period for 17.0.

Anyway, if Bernhard is happy with using hex instead of int, that's the
solution instead of the Windows alt sequences (or the Mac alt/option
sequences either, for that matter).


bash-4.4$ 0x1f926
   Octal  Decimal      Hex        HTML    Character   Unicode
 0374446   129318  0x1F926   &#129318;    "🤦"         FACE PALM

Obviously some of us can see that character properly and some can't,
but you all know which it is.


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