Commit Briefs
fix the Date header on the raw email too
while here also drops a useless chomp
create temp files in /tmp and don't allow writes to "."
there's little point to use pledge/unveil and then allow the program to modify itself...
refactor the parsing into the module
change the mscan format string to siplify the parsing, and refactor the parsing code into the module for reuse. pe is an exception in that it doesn't care about the format string, it just need to decide if the current line starts a new thread or not, that's why it doesn't use the newly introduced `parse'. The new format simplifies pe too though.
mexp: defer skip test after $tid is set
otherwise we run with an undef $tid when processing new replies to existing threads.