The option now causes nano to trim trailing whitespace also when
hardwrapping occurs while the user is typing.

It's better to color some invalid things as if valid than the other
way around.  So, as strings can validly contain any number of double
quotes, just accept *anything* between the delimiting double quotes
and demand that the closing quote is followed by whitespace or EOL.

This fixes https://savannah.gnu.org/bugs/?52114.

The new option 'set selectedcolor' applies to marked text, to the
currently selected file in the file browser, and to the highlighted
match during interactive search-and-replace.

Rename the corresponding rc-file option too, of course.

Color it bright green instead, like valid numeric arguments of
'fill' and 'tabsize'.  Also color the argument of 'formatter'.

Extend get_softwrap_breakpoint() to break softwrapped lines on
whitespace when a flag is set.  This flag is controlled by the new
rcfile option "atblanks".  The '>' characters marking two-column
characters at the edge of the screen are disabled when it's on.

If get_softwrap_breakpoint() can't find whitespace in screen range, it
will break the line on the screen edge.  (In this case, a blank can be
on the last column of the screen, but text can't, so that a blank on the
last column doesn't become invisible and possibly break the display.)

This fulfills https://savannah.gnu.org/bugs/index.php?49959

.
Requested-by: Nicholas Boel <axxisd@gmail.com>

Negative arguments of 'fill' are bright green since a few commits.
So now color all valid numeric arguments in that same style -- the
yellow was hard to see on a dark background anyway.

Also, color a zero tabsize as invalid.

This addresses a followup of https://savannah.gnu.org/bugs/?50362

.
Reported-by: Mike Frysinger <vapier@gentoo.org>

They are not documentation, they are functional elements of nano.

Also, don't use ignore-case for things that don't contain letters.

Also, show in green only the ^ and M- combinations that are valid.

This fixes https://savannah.gnu.org/bugs/?49097

.
Signed-off-by: Rishabh Dave <rishabhddave@gmail.com>
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>

This lets users of braille displays find the selected item immediately.

This fulfills a request by Enrico Mioso.
See https://lists.gnu.org/archive/html/nano-devel/2016-09/msg00025.html.

This allows for commenting or uncommenting a line or a bunch of lines
with a single keystroke (default binding: M-3).  The characters used
for commenting/uncommenting are specified by the active syntax file.
Reviewed-by: Benno Schulenberg <bensberg@justemail.net>
Signed-off-by: Mike Scalora <mike@scalora.org>

sorting it, and tweaking a wording.


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With this option, nano would simply refuse to write to any symlinked file;
if anyone really used this option, they would certainly have complained.


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Patch by Mike Frysinger.


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to save a file by default in Unix format.


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only when the specified menu name is an existing one.


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        * New formatter code to support syntaxes like
        go which have tools to automatically lint and reformat the text for
        you (gofmt), which is lovely.  rcfile option formatter, function
        text.c:do_formatter() and some other calls.



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an 'empty (sub)expression' error on MacOS X.
This fixes Savannah bug #42929.


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