This is MetaPost, Version 0.641 (Web2C 7.2) (INIMP)  1 APR 1999 16:27
**\input plain dump
(/sys/lib/texmf/metapost/base/plain.mp
Preloading the plain mem file, version 0.62)
Beginning to dump on file mp.mem
 (mem=mp 1999.4.1)
at most 1419 strings of total length 23578
3296 memory locations dumped; current usage is 979&2225
476 symbolic tokens