Update to 9.4 (that version works with perl-5.8).

Changes:
Highlights since 9.3:

    + Bug fixes, lots.  See the CHANGES file for details.

General changes
===============

    + regular expressions and searches allow null characters.

    + minibuffer editing commands are more complete, implementing all of the
      inline cursor search- and motion-commands.

    + implement new editing commands in the minibuffer:  r, ~, x, X.

    + use insert-mode bindings when mini-edit mode is active.  Use insert-key
      to toggle, rather than set mini-edit mode.

    + modify buffer- and filename-completion on Unix to escape backslashes
      which are stored in the [Completions] buffer.  Doing this allows one
      to complete a buffer or filename containing a backslash.

    + improve history-editing by quoting tokens which contain embedded blanks
      or other special characters, using that to retrieve tokens from the
      history buffer unambiguously.

    + save/restore window modes such as linewrap when rereading a file,
      or when executing a shell command.

    + use realpath() if it is available, and "$VILE_PWD" environment variable
      rather than "." as parameter to getcwd() if it is valid, to speed up
      operation on quasi-filesystems such as ClearCase.

    + add configure option --with-screen=XawPlus for XawPlus library.

    + add configure option --with-screen=ncursesw to allow building the
      curses driver using the wide-character version of ncurses.

    + add check in tcap.c for terminfo kmous capability like xterm, in case
      we are running in screen, which also supports xterm mouse protocol.

    + modify support for "^X-e" to make it use the whole line if the current
      buffer is a directory.


Locale Improvements
===================

    + change default for --with-locale option to yes.  Note that this
      option is only tested if locale support is found, and it is becoming
      less common to encounter systems with broken locale support.

    + add "locale" to the "$cfgopts" variable if vile is compiled with
      locale support.

    + modify vile-manfilt to decode UTF-8 emitted by groff 1.18

    + in UTF-8 locale, adjust termcap driver to use UTF-8 to display codes
      in the 160-255 range, setting vile's locale to non-UTF-8 locale.
      (yes, this is a short-term fix).

    + add configure check for wctype functions, to work around defect in
      glibc's ctype functions: in UTF-8 locale, the latter return useless
      information on character classes.  This works on Solaris.

    + move upper/lower case-conversion into tables so that locale support can
      augment the built-in translation.


New Commands
============

    + "which-keywords" macro shows the location of files containing keywords
      for the given majormode.

    + "edit-buffer" simplifies "which-keywords" and similar macros.

    + "encode-attributes-til" and "write-encoded-til" convert the syntax
      highlighting in a region back to control/A sequences, or write the
      corresponding data to a file.  There is a corresponding alias
      "decode-attributes-til" for "attribute-cntl_a-sequences-til".

    + "substitute-all-til" implements the "^X-s" binding.


New Modes
=========

    + add "overlap-matches" mode, to control whether highlighting for the
      visual-matches mode should skip to the next character, or past the
      current match when checking.

    + add "percent-crlf" mode, which controls the threshold at which the
      whole file will be considered DOS-format (CRLF record separators)
      if the given percentage already ends with CR/LF.

    + "yankmotion" mode controls whether the cursor should be moved as in vi
      after yanking text.

    + add "xterm-title" mode.

    + add logmode majormode, to distinguish some makefiles from logfiles.

    + add "texmode" majormode, as a variation of latexmode.


New Variables and Functions
===========================

    + add several short-named relational operators "&geq", "&gt", "&leq",
      "&lt", "&neq", "&sgeq", "&sgt", "&sleq", "&slt", "&sneq" to reduce
      the need for "&not".

    + add "$pathname-separator" variable.


Syntax Filters
==============

    + add Ruby syntax filter.

    + add syntax filter for rpm ".spec" files.

    + add syntax filter for PostScript ".ps" files.

    + add syntax filter for enscript ".st" files.

    + add xml-filter based on html-filter.

    + add pot-filt.l, to highlight ".po" files.  Using sh-filt.l was
      not satisfactory since the quoting rules were not close enough.

    + add syntax filters and corresponding modes for assembler (GNU and M$),
      info and texinfo.

    + add -j option to c-filt.c, to implement some java-specific features
      such as "$" as part of an identifier, and \u escapes.

    + add un-filters (atr2ansi, atr2html, atr2text) which convert encoded
      control/A text to different forms.

    + modify spell.rc, spellflt.l and select.c to allow spell filter to
      work as a built-in filter.

    + modify built-in spell filter to work with encrypted files.

    + add a -t option to filters, to pass tabstop value.  Use this in
      makefilt.l to provide better highlighting of problems with leading
      whitespace.

    + modify manpage.rc to check if the current buffer is perl, and if so,
      to render contents using pod2man or pod2text.

    + set "vilemode" for [History] buffer.

    + reorder lex-based filters to allow building with flex 2.5.31, which
      introduces several incompatibilities with respect to flex 2.5.4
      and lex.

    + add configure check/warning for flex 2.5.31, which has broken support
      for the "-P" option used for built-in filters.

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