This is Webster's Revised Unabridged Dictionary (G & C. Merriam Co.,
1913, edited by Noah Porter) and is converted from the original one
into JIS X 4081 format (that is a subset of EPWING V1) by
FreePWING. So it can be used by EPWING viewer on Unix and the other OS
(e.g. Windows or MacOS).  URL for this converted dictionary is