- Change add_undo and current_undo to only take action arg, as openfilestruct arg is always openfile
- Add ability to undo a file/cmd insert, needed to add undoable flag to read_file and open_buffer as a result



git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4291 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

Add beginning undo feature, since I want to start fixing bugs from savannah and don't want to manager another checking, and the code basically works for some operations.



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files.c,proto.h,text.c: Fix for conflicts with AIX curses variables, from William Jojo <jojowil@hvcc.edu>



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Plus make the actual prompt work with --enable-tiny when inserting files.



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other --disable type options.



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- Change do_prompt and get_prompt_line to pass meta_key and func_key
  so the calling program can DTRT when it calsl get_shortcut.  In
  particular this allows the "new file buffer" toggle on the insert file
  menu to work, and presumably other rebinding stuff should now work also.


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on buffer open/closer.


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for enter and backspace keys in case their control key alternates get
rebound.


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and toggles and sc for shortcut keys, old 'shortcut' and 'toggles' structs are
gone.  The current implementation has a bunch of broken stuff (some of which is
documented in BUGS).  Updated nanorc.5 with some mostly complete documentation
on configuring.


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trigger on carriage returns in the middle of files, as found by Kjell
Braden


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filenames if the cursor isn't at the end of the line, as it can lead to
odd behavior (e.g. adding a copy of the entire match to the middle of
the line instead of just the uncompleted part of the match)


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buflen to buf_len, for consistency


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assigned to the Free Software Foundation; also, make copyright notices
consistent in style


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Free Software Foundation


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mark on


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after inserting a one-line file with the mark on


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busybox to account for modifications


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file


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write selections to files, so don't display the "Write Selection to
File" prompt


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