Use `-dfont-ps-resdir` for make doc
We used -dfont-export-dir
for make doc.
However, it cannot handle CID keyed fonts.
This commit makes make doc uses -dfont-ps-resdir
that can handle CID keyed fonts.
We used -dfont-export-dir
for make doc.
However, it cannot handle CID keyed fonts.
This commit makes make doc uses -dfont-ps-resdir
that can handle CID keyed fonts.