custom tag eats up space character

Hi,

I created a custom tag
[ort]

{TEXT}[/ort]

as

<span style="font-style: italic"><span style="font-weight: bold"><span style="color: #FF0000">{TEXT}

</span></span></span>

Now, whenever I select a word and a space (which IE is doing by fault when selecting text)
[ort]tę [/ort]przykład

the space gets eaten:
<span style="font-style: italic"><span style="font-weight: bold"><span style="color: #FF0000">tę</span></span></span>przykład.