   -  CHG: lf-to-crlf, crlf-to-lf, addcr, remcr SYNTAX CHANGE: 
           now runs in simulation mode if a directory is given.
           if a single filename, or a list of filenames is given
           then conversion is done immediately.
   -  chg: sfk base+xd: xfind and xex now support full reformatting
           of found text patterns by [part...] statements.
   -  add: addcr, remcr: no longer rewriting files that
           need no changes.
   -  chg: addcr, remcr: no longer adding a line ending
           at the last line if there was none. added
           option -forceend to always force a line ending
           at the last line.
   -  fix: addcr, remcr: truncation of binary files.
           now all binary files are skipped.
   -  fix: xfind: crash on incomplete "chars of" pattern.
   -  chg: sfk source files now all with lf-only line endings.
   -  add: sfk help compile info how to compile sfk on linux.
