which gives me the ability to do verbose and nonverbose test
suite running (`VERBOSE=1 make test` is the traditional output
now, and `make test` just gives pass/fail on each .t file)
of A^B and non-emphasis on A_B.
2. markdown(1) now has the `strict` (enable `MKD_STRICT`) and `relax` (disable
`MKD_STRICT`) flags.
3. truncate the input buffer at the end of every call to `text()` (corrects
defect with --relaxed-emphasis where it was incorrectly looking back past
the start of the input and triggering on the contents of the previous
input (not reliably, so only detected when I put MKD_STRICT into the
code.)
4. `markdown.1` manpage renamed to `markdown.1.in` and processed according
to whether --relaxed-emphasis and/or --with-superscript are configured.
entire lists in one fell swoop, discarding whitespace between
entries and setting an explicit paragraph alignment on the
two list items surrounding the whitespace.