cmap-adobe-japan2 ソースパッケージをダウンロード:
CMap is a sort of a mapping table used for converting a certain charset-specific charcode to CID code.
This package contains CMap files for Adobe-Japan2 character collection, which stands for Adobe-defined one, and including additional Japanese charsets.
It is used by gs-cjk (ghostscript with CJK-TrueType extension) to handle Japanese TrueType fonts.