Japanese characters don't appear in msconvert output filenames

[pete-reay-waters]

Steps to reproduce:

Run msconvert with the parameter --outfile "pete3繧.mzML"

Expected:

An output file is produced named "pete3繧.mzML"

Observed:

An output file is produced named "pete3___.mzML"

Console Output:

PS> .\msconvert.exe --outdir C:\Users\Waters\Desktop\ C:\Users\Waters\Desktop\pete.mzML --outfile "pete3繧.mzML"
format: mzML
    m/z: Compression-None, 64-bit
    intensity: Compression-None, 32-bit
    rt: Compression-None, 64-bit
ByteOrder_LittleEndian
 indexed="true"
outputPath: C:\Users\Waters\Desktop\
extension: .mzML
contactFilename:
runIndexSet:

spectrum list filters:

chromatogram list filters:

filenames:
  C:\Users\Waters\Desktop\pete.mzML

processing file: C:\Users\Waters\Desktop\pete.mzML
calculating source file checksums

writing output file: C:\Users\Waters\Desktop\pete3___.mzML