neatvi: Update to 08

Ali Gholami Rudi (15):
      led: use --- filetype for ex prompt and messages
      ex: call :p for empty lines only once
      ex: escape command with addresses
      ex: for ec_exec, '|' is not a command separator
      vi: redraw the entire screen if current line changes
      led: use the attribute of \n for blanks
      vi: hll option to highlight current line
      conf.h: update syntax highlighting rules for neatmail summaries
      conf: MKFILE_MODE specifies the access mode of new files
      vi: fix updating previous hll row
      uc: make uc_dec() more compact by removing its loop
      uc: make uc_len() more compact by combining the first two conditions
      ex: % and # signs in command line arguments should be escaped
      vi: call term_done() even if ex_init() fails
      led: indenting and deindenting when auto-indent buffer is empty

(nia)