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spelling: correctly adjust the length of a single-line region 

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>
master
Benno Schulenberg 2017-02-16 11:44:04 +01:00
parent 2358badc65
commit d60e7d374c
1 changed files with 11 additions and 3 deletions
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14
src/text.c
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@ -2926,7 +2926,7 @@ const char *do_alt_speller(char *tempfile_name)
bool added_magicline = FALSE;
/* Whether we added a magicline after filebot. */
filestruct *top, *bot;
size_t top_x, bot_x;
size_t top_x, bot_x, was_x, new_x;
bool right_side_up = FALSE;
ssize_t mb_lineno_save = 0;
/* We're going to close the current file, and open the output of
@ -3037,9 +3037,17 @@ const char *do_alt_speller(char *tempfile_name)
/* Adjust the end point of the marked region for any change in
* length of the region's last line. */
if (right_side_up)
current_x_save = strlen(openfile->filebot->data);
was_x = current_x_save;
else
openfile->mark_begin_x = strlen(openfile->filebot->data);
was_x = openfile->mark_begin_x;
if (top == bot)
new_x = was_x - bot_x + top_x + strlen(openfile->filebot->data);
else
new_x = strlen(openfile->filebot->data);
if (right_side_up)
current_x_save = new_x;
else
openfile->mark_begin_x = new_x;
/* Unpartition the filestruct so that it contains all the text
* again. Note that we've replaced the marked text originally