CVS: cvs.openbsd.org: src

[Jason McIntyre]

CVSROOT:        /cvs
Module name:    src
Changes by:     j...@cvs.openbsd.org    2021/06/10 07:13:38

Modified files:
        share/man/man3 : intro.3 

Log message:
provide an Xr for backtrace; ok mortimer