Makefile,lib/: Synchronize changes to build files from sled
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
* ste.1.in: Correct closing parenthesis location
* transpose.1.in: Syntax improvement
* Add got(1) support
* Add -V
* Tidy up manpages
* Makefile: Make manpages depend on date and version
* lib/mkpack: Adjust for the presence of PROGS besides PROG
* .gitignore: Add *.sig
* INSTALL: Add su
* config.mk: Add DESTDIR macro
* INSTALL: Add readlink to the list of prerequisites
* Switch to POSIX make from redo
* Update copyright years
Handle symlinks correctly, like sled: operate on symlink destination instead of
the symlink files themselves.
Fix bug in sed regex; be less chatty when no vipe
* Make vipe optional by transforming tsv* commands to use stdin/stdout
* Make config.redo behave more like config.mk
* Change build scripts to make .gz optional
* do: New file
* Migrate from MANDIR to MANPREFIX
* Simplify build scripts
Bugfix: Handle C-D properly when using rlwrap