And also case-sensitive searches, backward searches, and searching again.

Mentioning "GNU nano" instead of "This program" and referring to the
website instead of to a postal address.

This fixes https://savannah.gnu.org/bugs/?48660.

This allows the user to specify which other characters, besides the
default alphanumeric ones, should be considered as part of a word, so
that word operations like Ctrl+Left and Ctrl+Right will pass them by.

Using this option overrides the option --wordbounds.

This fulfills https://savannah.gnu.org/bugs/?47283.

To make nano save its modified buffers when it runs out of memory.

It is easy to type beside the comma key and hit instead "m" or ".", so
accept also these as a separator between line and column number.  And
when being generous anyway, also accept space, slash and semicolon.

This fulfills https://savannah.gnu.org/bugs/?48305

.
Signed-off-by: Rishabh Dave <rishabhddave@gmail.com>

When parsing a line and a column number, of course the found values
need to be passed back, otherwise it would be pointless to parse them.

If during startup there are multiple error messages, currently only the
last one remains and can be read.  To improve on that, introduce a short
pause between error messages -- even if it's not enough to read them all,
at least the user will be aware that there are multiple ones.

This also causes a few error messages to beep that currently don't beep,
such as when a file is unwritable.

When verifying that a match is a separate word (during spell checking),
instead of first copying out the word, then passing the word, and then
measuring its length, just pass its length straigtaway.

Nano doesn't start doing anything with the edit window or the keyboard
until all files have been read in or a blank buffer has been opened, so
the case of openfile->current == NULL will never occur.

Also correct the comment -- because with multibyte characters, it is
very well possible that the screen column corresponding to current_x
is smaller than current_x itself.

of the environment (which can lead to a root-owned .nano/ directory in
the invoking user's home directory).  This addresses Ubuntu bug #1471459.
(See https://bugs.launchpad.net/ubuntu/+source/nano/+bug/1471459.)


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so that nano will show a message about it.


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before finding a unused filename takes an annoying amount of time.


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multiple occurrences of a literal ^ or $.


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Patch by David Lawrence Ramsey.


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Patch by David Lawrence Ramsey.


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pastes.  This fixes many undo problems and Savannah bug #25585.
*Patch by Mark Majeres.*


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        * src/utils.c (parse_num): Initalize errno before calling strtol().  Fixes issue
          where trying to go to a line number too long will break legitimate goto-lines
          for the remainder of the editing session, reported by Joshua Rogers.



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        * Update documentation for 2.2 features including sample nanorc file, texinfo
          file, man pages, UPGRADE file, and update copyright noticed for the current year.



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        * Add more multidata initliazers for new buffers and 'magic lines'.  Fixes segfaults
          with syntax highlighting in new buffers, initially reported by Mike Frysinger.



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        * configure.ac, color.c, rcfile.c, utils.c: 1st attempt at supporting systems which don't support
          GNU-style word boundaries.  New function fixbounds() to translate from GNU-style to
          BSD-style, autoconf option GNU_WORDBOUNDS.



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