ledger/ledger — pull request #116 by kljohann (2013-01-08 22:37:53+00:00)
Title: fix bug 788: behaviour of source_context for '-f -'

`session_t::read_data` did not set context.pathname to `/dev/stdin`
for the special case `-f -`. I chose to adjust `source_context` too
as there is no sensible context if no file name is provided.