lib/makedate: Remove extra code; set LC_ALL=C for consistent dates
lib/make{date,version}: Make version use last commit if ahead of tag
Fix drawing flags in list vs in edit box
* poe.1.in: Convert tables to .Bl -column
* Fix a few potential bugs thanks to LLVM's scan-build
* poe.1.in: Syntax fixes; add EXIT STATUS
* poe.c: Correct usage syntax
* poe.1.in:
- Convert subsection titles to lowercase
- Add spacing after the flags table
- Use key names instead of glyphs
- Remove .sp 1 requests
- Add missing .Nm
* poe.c:
- Reformat usage text
- Add missing part of copyright
* config.mk: Add CFLAGS
* Optimize flags formatting
* poe.1.in: Convert to mdoc(7)
* poe.c(main): Also print copyright with -V
* config.mk: Add DESTDIR macro
* Bugfix: poe.c: sled -> PROGRAMNAME
* program_name -> PROGRAMNAME (macro); poe.c: sled -> PROGRAMNAME
* .gitignore: Add *.sig
* Makefile: Add .POSIX
* config.mk: Split CFLAGS into CFLAGS and CPPFLAGS
* config.mk: -g -> -Os
* config.mk: Comment out CC by default
* INSTALL: Revise the OpenBSD section
* INSTALL: Remove gzip optional dependency
* Rebuild when the date or version change
* Change the output of make
* Add _DEFAULT_SOURCE for termbox
* Makefile: Change the prereq order of target 'all'
* INSTALL: Revise the OpenBSD section