One of my team mates told me to do simple test. I created empty svg document and wrote a text. Then I saved it and then I pasted in place of the text this:曅嶳攷擵 but the pasted was empty and I couldn't see this: 曅嶳攷擵. Now my question is - does someone knows why this is happening? If Inkscape doesn't s...

I am using Inkscape in web application and I use it with command line. I need to specify encoding of the new image. I have:
image.svg --export=image.png
I looked and I found that there is no --encode or something. Is there a way to tell to inkscape the encoding of the text in the png image?