Fix error output#125

Closed

dmitrylyzo wants to merge 3 commits intolibass:masterfrom

dmitrylyzo:error-output

Commits on Feb 7, 2022

fix the error message printing
dmitrylyzo
committed
output error messages to 'stderr' to make them real "errors" in the browser console
dmitrylyzo
committed
output libass error messages to 'stderr' to make them real "errors" in the browser console
dmitrylyzo
committed