--encoding <encoding> Set the default text encoding, for input
it's possible, but you have to include the fonts yourself.
on that note, italics/bold fonts are somewhat trickier.
I have a similar problem which I my page contains chinese characters. When the page print to PDF, the chinese characters shows square shape.
This is convert to PDF:
The font can be seen in the webpage:
I tried to set "--encoding UTF-8" in OtherArgs also doesn't work.
Anyone successfully to encode chinese character in html2pdf?