And also allow it when lines are only partially indented.
This makes it possible to equalize the indentations of (accidentally)
unevenly indented lines: by first fully unindenting a group of lines,
and then reindenting them to the desired amount.
Suggested-by: Liu Hao <lh_mouse@126.com>
When the WAS_FINAL_LINE flag is relevant (when NO_NEWLINES isn't set),
the only way for 'current' to be equal to 'filebot' is when 'current_x'
is zero.
When some or all edits have been undone, and the user starts to make
new edits, the old part of the undo stack is discarded, but this does
not mean that the undo stack doesn't go back to the very beginning.
This really fixes https://savannah.gnu.org/bugs/?52504.
This also means that no question needs to be asked when exiting.
This fixes https://savannah.gnu.org/bugs/?52504.
Reported-by: Peter Passchier <peter@passchier.net>
The pointer not being NULL is enough indication that the mark is set.
Also, rename the pointer from 'mark_begin' to simply 'mark', since
the former is kind of pleonastic.
Because the highlighting hinders the display of affected lines,
and, more importantly, only the highlighted part would be written
if the file was modified and the user answers yes to the "Save?"
prompt.
This fixes https://savannah.gnu.org/bugs/?52474.
In the tiny version, do_prompt() will now have an extra NULL
parameter, which will cost maybe twenty extra bytes of code.
That is acceptable when it saves thirty lines in the source.
Before writing a file out, nano should check that the file on disk
hasn't been modified since it was read -- not only for the normal
"Write Out" action (^O), but also for "Save File" (future ^S) and
for "Save and Exit" (^X when --tempfile is used).
When writing fails and --tempfile is in effect, don't go on to prompt
for a file name; instead let the user decide what she wants to do.
This fixes https://savannah.gnu.org/bugs/?51040.
Signed-off-by: Viorel Bota <botaviorel@gmail.com>
Signed-off-by: Benno Schulenberg <bensberg@telfort.nl>
The basic idea is that the cursor is always off, except when it needs
to be on: when waiting for text input, and in a few other cases: when
something was searched and found in the help viewer, and in the file
browser when option -g is in effect.
This fixes https://savannah.gnu.org/bugs/?51923.
Reported-by: Mike Frysinger <vapier@gentoo.org>
This is modeled after the comment/uncomment code. Each line's
individual indent is saved in the string array of the undo
group structure.
This fixes http://savannah.gnu.org/bugs/?46860.
The function does not contain any comment-specific code, so it can
be used to handle any kind of multiline undo item.
Also, extend the undo group structure to contain an array of strings,
one for each line in the group. When indent/unindent is hooked up to
the undo/redo code, this will allow the latter to restore the exact
original indents.
Also, remove an unneeded null_at() -- the null byte has been copied,
and reallocating the string would recover very little memory.
Also, call charmove() without using the & operator.
This is modeled after the undo/redo code for commenting. do_indent() now
calls indent_a_line() on each line it covers. The latter function will
eventually be used by the undo/redo code.
The preceding 'for' loop has already established that all the lines are
either unindentable or composed of only blanks. So if now a line cannot
be unindented, it means it is fully blank, so it can be simply skipped.
This fixes https://savannah.gnu.org/bugs/?51760.
Reported-by: David Lawrence Ramsey <pooka109@gmail.com>
Also, only unindent when all selected lines can be unindented,
which means that the relative indentation will be preserved.
For this purpose, it ignores empty lines and lines consisting
of only whitespace.
When unindenting is not possible, a message is shown.
This fixes https://savannah.gnu.org/bugs/?47684.
Instead of inserting the extra whitespace after the current indentation
of a line, add it to the start of the line. This causes a fixed amount
of visual whitespace to be added regardless of whether --tabstospaces
is used or not.
This fixes http://savannah.gnu.org/bugs/?51438,
and its ancestor https://savannah.gnu.org/bugs/?51408.
Assume that a linter line that contains an actual error message or
warning includes a colon followed by a space -- something that that
opening message from a modern gcc lacks.
Human column numbers are one-based, whereas x positions are zero-based.
Converting from the one to the other involves subtracting one. But when
the linter message does not provide a column number, the latter defaults
to zero. Catch that case and change the number to one.
This fixes https://savannah.gnu.org/bugs/?51550.
Commit 28beb3f added the 'forreal' parameter to prevent spotlight() from
placing the cursor wrongly due to an invalid placewewant. However, since
the variable-width softwrap overhaul (specifically, since commit 8490f4a),
place_the_cursor() no longer checks placewewant, so the parameter is no
longer needed.
Furthermore, dropping 'forreal' and thus always setting current_y won't
affect the operation of spotlight(), since the only functions that use
spotlight() (do_replace_loop() and do_int_spell_fix()) both call
edit_refresh() beforehand, which means that current_y will already
have been set to the value it will be set to again.
The help lines need to be redrawn one step after a justification
(whether it has been undone or not, to replace "Unjustify" with
"Uncut" again for ^U), and after switching buffers (to update a
possibly changed tag for ^T).
This fixes https://savannah.gnu.org/bugs/?51455.
The parameter 'cols', that indicates how many columns to indent or
unindent, is changed to be always positive, so the check for being
negative can go. And it could never be zero anyway.
spotlight() now displays softwrapped lines chunk by chunk instead of all
at once. Since softwrapped lines are no longer of constant width, the
latter approach would fail if softwrapping breaks the spotlighted text.
Instead of taking a string, spotlight() now takes the starting and ending
columns of that string. Also, its handling of softwrapped lines is now
split off into a separate function, spotlight_softwrapped().
get_chunk_row() replaces the formula "column / editwincols".
get_chunk_leftedge() replaces "(column / editwincols) * editwincols".
get_last_chunk_row() replaces "strlenpt() / editwincols".
get_last_chunk_leftedge() replaces "(strlenpt() / editwincols) * editwincols".
This prepares us for any changes in those formulas, and for more such
functions later.
If the position of the cursor changes horizontally,
placewewant should change with it.
This fixes https://savannah.gnu.org/bugs/?51407.
Reported-by: David Lawrence Ramsey <pooka109@gmail.com>
When the active syntax contains a comment command that specifies the
empty string, this should override the default comment of "#" and
should disable the Meta-3 keystroke.
To achieve this, the comment string is now set by default to "#" for
all syntaxes, so that it will be set when no comment command is given
(including for the "none" syntax), and is unset only by explicitly
specifying «comment ""» in a syntax file.
This fixes https://savannah.gnu.org/bugs/?51355.
Reported-by: David Lawrence Ramsey <pooka109@gmail.com>
Achieve this by making the suppression flag global, so that we can
just reset it instead of making an improper call of do_cursorpos().
This fixes the secondary part of https://savannah.gnu.org/bugs/?51134.
When spotlighting the string to be replaced, placewewant isn't valid,
so tell place_the_cursor() to ignore its value to avoid the cursor
getting mistakenly placed at the beginning of the next row.
This fixes https://savannah.gnu.org/bugs/?50997.
Reported-by: David Lawrence Ramsey <pooka109@gmail.com>
Call something a buffer when it refers to a linked list of linestructs,
and call something a linestruct when it is a struct that describes a
single line.
When the user chooses not to open a file that some message refers to,
remove all messages for that file from the linting results, so the user
does not get asked about that same file again.
This fixes https://savannah.gnu.org/bugs/?47130.
The interval 2013-2017 for the Free Software Foundation is valid
because in those years there were releases with changes by either
Chris or David, and the GNU maintainers guide advises to mention
a new year in all files of a package, not just in the ones that
actually changed, and be done with it for the rest of the year.
When Enter is pressed while the cursor is exactly on the current
indent width, remove the blank characters on that line to avoid
creating a line that consists only of trailing whitespace.
(When Enter is pressed somewhere in the middle of the blanks,
however, the whitespace is preserved.)
Suggested-by: Florian Zeitz <florob@babelmonkeys.de>
In do_int_spell_fix(), spell-checking text may change firstcolumn if
the next match is offscreen, and spell-checking text after that will
not change it back. In order to keep the viewport unchanged, we have
to save and restore not just edittop, but firstcolumn as well.
In do_justify(), justifying text may change firstcolumn if the paragraph
ends offscreen, and unjustifying the text again will not change it back.
In order to keep the viewport unchanged, we have to save and restore not
just edittop, but firstcolumn as well.
Since all lines can be partially scrolled off the screen now
(except for the top line of the edit window, which is forthcoming),
ensure_line_is_visible() is no longer needed.
The mark only needs to be off when calling replace_marked_buffer(),
because this indirectly calls ingraft_buffer(), which fiddles with
the end points if the mark is on.
Replace partitioning with calls to extract_buffer() and ingraft_buffer().
In addition to pasting the unjustified text back into the buffer at
current[current_x], ingraft_buffer() also deals with renumbering and
updating totsize, so do_justify() doesn't need to do those anymore
when unjustifying.
With read_file() revamped, it now uses partition_filestruct() indirectly
via ingraft_buffer(), so we can't use partition_filestruct() to replace
marked text in the alternate spell checker anymore without segfaulting.
Add the new function replace_marked_buffer() to accomplish this instead.
Based on replace_buffer(), it uses extract_buffer() to throw away the
marked un-spell-checked text, and then uses read_file() to insert the
spell-checked text at the position where the mark was.
Accordingly, remove unneeded partitioning and related stuff from
do_alt_speller(). Besides pasting the file into the buffer at
current[current_x], ingraft_buffer() also deals with renumbering,
updating totsize, and handling a magicline, so do_alt_speller()
doesn't need to do those anymore.
In this last loop of break_line(), the pointer 'line' is one step ahead
of the index 'lastblank'. So the loop should first add the length of
the preceding character to 'lastblank' before determining the length
of the current character (and using this to advance 'line').
(There is something wrong in the last loop: line is one character ahead
of lastblank, but the current character length is added to both of them.
It thus assumes that all blank characters are the same number of bytes.
For spaces and tabs this works fine. But for more exotic blanks...)
Also, rename a parameter to be less cryptic, and remove an entire
condition because the relevant block will never be reached when
getting called from the help routines: if blank_loc is negative,
the function will have bailed out in the preceding if.
When the marked region covers only a single line (or a part of it),
its new endpoint is not simply the length of the last line of the
spell-checked text, but instead the old endpoint plus the /change/
in length.
This fixes https://savannah.gnu.org/bugs/?50316.
Reported-by: David Lawrence Ramsey <pooka109@gmail.com>
If we're somewhere deep into the file and do a spell check, and the
first misspelled word happens to be right there, onscreen already,
then this word does not need to be centered -- it /should/ not be
centered. We should scroll only when necessary.
The spell fixer does not provide a beginning line, so the search routine
should then not try to refer to any data of this line. Also, since the
changes to the search routine there is no need any more to retreat one
step before starting to search for a misspelled word.
This fixes https://savannah.gnu.org/bugs/?50159.
That is: only extend the current Del or Backspace undo item when the
cursor is still (or again) at the same spot.
This fixes https://savannah.gnu.org/bugs/?50006.
Many of the adjustments of the value of openfile->current_y appear to be
a holdover from the days when certain functions had to account for what
is now called STATIONARY scrolling mode, which depends on the value of
current_y. Remove these adjustement where they are superfluous.
do_para_begin(), do_para_end(), and do_bracket_match() update the screen
through edit_redraw(), which uses either CENTERING or FLOWING scrolling
mode, so their setting of current_y is redundant and useless, as it will
be ignored and then overridden by the next call to reset_cursor().
findnextstr() is called by go_looking() [which calls edit_redraw(), see
above], and by do_replace_loop() and do_int_spell_fix(), which both call
edit_refresh(), which in this case only uses CENTERING scrolling mode
since focusing is TRUE.
(Additionally, the adjustments of current_y in findnextstr() and
do_bracket_match() use incorrect values when in softwrap mode.)
find_paragraph() doesn't need to save or restore current_y, because it
doesn't do any screen updates. do_justify() calls edit_refresh() with
focusing set to TRUE, so it uses the CENTERING scrolling mode.
do_alt_speller() and do_formatter() do not need to save and restore
current_y, because they don't modify it in any way.
This addresses https://savannah.gnu.org/patch/?9197.
After a call to the Formatter or the Alternate spell checker, the data
on the undo stack could refer to line positions that don't exist any
more -- the chance is small, but it is there. So... throw the whole
undo stack away, to prevent undoing things wrongly or even crashing.
(Changes made with the internal spell checker can be undone and redone
without a problem -- nano keeps full track of those. But the changes
made with a formatter or an external spell checker happen in another
process, so nano has no record of them.)
This fixes https://savannah.gnu.org/bugs/?49920.
When using an external spell checker or formatter, the line with
the cursor might become shorter, which might result in the stored
cursor position being beyond the end-of-line. So, when restoring
the x position, make sure to limit it to the length of the line.
This fixes https://savannah.gnu.org/bugs/?49923.
An added magic linefeed should be removed again /before/ restoring
the x position, as the latter needs to be calculated from the real
last line of the region.
This fixes https://savannah.gnu.org/bugs/?49817.
Reported-by: Mike Frysinger <vapier@gentoo.org>
(The variable 'pletion_line' is not conditionalized with this option, as
it would become messy. The compiler will probably be able to elide it.)
When using --enable-tiny, it is not possible to use --enable-wordcomp,
because the word completion function uses the undo system.
Executing the 'complete_a_word' function will search from the start
of the current buffer for entire words that begin with the fragment
that is before the cursor, and will complete this fragment to the
first word that is found. Each consecutive call of 'complete_a_word'
will search for the next matching word and will complete the fragment
to that. By default the function is bound to the ^] keystroke.
Signed-off-by: Sumedh Pendurkar <sumedh.pendurkar@gmail.com>
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
It does not update anything -- it just picks a new point from
where to start displaying the buffer. All actual updating of
the screen is done by edit_refresh() and edit_redraw() and such.
Add the keycodes and routines to allow the user to forego setting the
mark explicitly (with M-A / ^6) and instead quickly select a few words
or lines by holding down Shift together with the movement keys.
(Some combinations with Shift are swallowed by some terminal emulators.
To work around some of those, the combinations Shift+Alt+Left/Right work
as Shift+Home/End and Shift+Alt+Up/Down work as Shift+PageUp/PageDown.)
When using the default speller or the formatter, the placewewant is
remembered. So it should be remembered too when the user specifies
a different speller.
(This behavior was inadvertently lost last year, in commit 82d737e.)
Don't make it the responsibility of the executed functions to restore
the list of shortcuts of the edit window. Just detect whether another
menu was displayed, and if so, redisplay the main menu.
By moving the test for the only situation where do_comment() does nothing
(when only the magic line is selected) further up front, the add_undo()
can be called before the commenting/uncommenting starts and two variables
and an extra function are made unnecessary.
Store the file sizes from before and after the commenting/uncommenting
in the undo struct, so they can be restored when undoing or redoing.
This fixes https://savannah.gnu.org/bugs/?48062.
Signed-off-by: Mike Scalora <mike@scalora.org>
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>
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 fixing a misspelling and not answering 'All' (but 'Yes' or 'No'),
the chance is quite substantial that one will type y or n at the end of
the next word. Diminish this chance by showing for a moment a message
on the statusbar.
Partitioning the file makes the undo system lose track, so that undoing
things has a good chance of losing data. Instead, just make sure that
the region is marked "backwards", with current at the top and the mark
at the bottom, and then let the replace loop take care of not going
outside of the marked region.
This also has the effect that if the marked region fits entirely on the
screen, or all the misspellings are onscreen, then the screen will not
be scrolled at all. Which makes for a smooth experience.
This fixes https://savannah.gnu.org/bugs/?47836,
and fixes https://savannah.gnu.org/bugs/?45573.
Since nano-2.4.1, reading in or pasting a large piece of text would put
the cursor on the bottom line, leaving only one line of the non-read or
non-pasted text visible. This is different from the centering behavior
of Pico, and somewhat disorienting, as you can't see "where you are" any
more in relation to the file as it was.
So now center the cursor whenever the read or pasted text is larger than
the screen, but don't center it when the text fits entirely on the screen.
(The latter avoids the effect of the screen jumping unnecessarily when
inserting just a few lines while the cursor is near the bottom.)
To achieve this behavior: default to focusing, and temporarily set it to
FALSE when the focusing effect is unwanted.
This fixes https://savannah.gnu.org/bugs/?47841.
When starting to replace misspelled words, pass the actual position
of the cursor instead of the position of the first found occurrence,
so that the cursor position will be updated for changed lengths.
This fixes https://savannah.gnu.org/bugs/?47834.
When we're spell checking, we don't need a special mechanism to detect
we have come full circle: reaching the end-of-buffer means we're done.
So don't bother to reset came_full_circle when we're spell checking
(when begin == NULL) but simply ignore its value.
For a little contrast with the function edit_refresh() -- it's
annoying that when you search for the latter you get to see all
the settings of the flag too.
Instead of saving the current value of placewewant, then setting the
new value, and then passing the old value to edit_redraw() in seven
different places, just let edit_redraw() do this saving and setting.
In the bargain placewewant is now only recalculated when it matters
-- when allow_update is TRUE -- and not when it's superfluous.
In the innermost search loop, don't set placewewant, because this loop
is also used for replacing and spell fixing, when we don't really want
to be there: we are just passing through. Not setting placewewant means
we don't need to save and restore it in those passing-through routines.
The value of placewewant is only relevant when doing cursor movement,
which doesn't happen during replacing nor spell checking, so there is
no need to keep placewewant up to date -- it is set when it matters:
at the end of go_looking().
Add a third mode of scrolling, FLOWING, besides CENTERING and STATIONARY.
This is used for word and paragraph jumping (and for bracket matching,
but that worked correctly already), and only when focusing is FALSE.
The new mode prevents the screen from scrolling too many lines when
there are several blank lines at the bottom of the edit window and
the next word or paragraph is out of view.
This fixes https://savannah.gnu.org/bugs/?47194.
When finding a misspelled word, the length of the match is simply the
length of that word, and its span in columns is simply the number of
columns that it occupies. Compute it thus directly.
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
When searching for a misspelled word takes a while, and the user
stops this search with ^C, then abort the spelling-checking session.
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
that is taking too long. This fixes Savannah bug #47439.
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invalid escape sequence, and when entering a verbatim keystroke.
But leaving the cursor off during Unicode input, for extra feedback.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5771 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
deletion of words like the pressing of Backspace/Delete, so they don't
overwrite the lines you cut elsewhere and want to paste into the place
of the cut words.
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And not minding when the column number is zero or negative.
This partially fixes Savannah bug #47131.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5669 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
* Add ability to kill the trailing spaces when justifying
code. New nanorc option kill_spaces_on_wrap, we'll see
whether this warrants a command line flahg or not.
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needed), so that it no longer shows in the help screen nor in the file list.
This fixes Savannah bug #47126.
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error messages upon reentry. And, if there are any messages,
allowing the user a little time to read them.
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This fixes Savannah bug #46904 reported by Mike Frysinger.
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needed, before doing a redraw of the current line.
This fixes Savannah bug #46794
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four different places. It is not a problem that the history routines
also use these functions, as history nodes will never equal filebot.
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when trying to undo edits after an indentation change.
This works around Savannah bug #46591.
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making mistakes) when trying to undo edits after a justification.
This works around Savannah bug #45531.
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directly on the statusbar instead of as an undid or redid message.
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This now mirrors unlink_opennode() and delete_opennode().
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because the latter behaves differently depending on the setting of autoindent.
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more symmetrical: wrapped in add_undo() + update_undo() where needed.
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last action. Necessary for when typing text is broken by an undo+redo.
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'u->mark_begin_lineno' is being used as the length of the insertion.
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from the cursor to the preceding or succeeding word start.
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two superfluous checks for the definition of a formatter.
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Removing an unneeded condition -- 'added_magicline' can only be
true when NO_NEWLINES isn't.
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at the end-of-file; just adding a token undo item to be able to put the
cursor back at the very tail of the file.
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backspacing at the tail of the file no longer has any efffect.
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happens but only when checking for keyboard input. It now reports the
SIGWINCH via a special key value to the calling routine, to allow not
only the main editor but also the help viewer and the file browser to
adapt their display to the new size.
Patch by Mahyar Abbaspour, somewhat edited by Benno.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5228 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
Adding a new function to glue together the invocation-error string.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5199 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
for any change in length of the region's last line.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5169 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
to fix compilation with --disable-speller.
This fixes Savannah bug #44607.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5168 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
* src/text.c (do_alt_speller): timestamp can just be a __time_t.
Fixes compilation on win32.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5153 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
* 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.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5100 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
undoing a cut or paste. And fixing two memory leaks.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5067 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
text additions that caused automatic line breaks.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5064 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
(that is, when CUT_TO_END is set) properly.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5054 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
having them declared everywhere and passing them around endlessly.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5039 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
when undoing line deletions at file's end.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5033 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
and removing an unneeded iteration of cutbottom.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5008 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
make sure openfile->filebot is updated.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5007 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
make sure openfile->filebot is updated.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5006 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
where the cut started, and not at the bottom of the file.
Patch by Mark Majeres.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5005 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
where it was when the cut was made.
Patch by Mark Majeres, edited by Benno Schulenberg.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4966 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
If wished, the user can unbind them. This fixes Savannah bug #42456.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4964 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
Benno Schulenberg