neovim

commit a974d1511e20647b1e60015e6cdd456bd49f4718
parent 361de6d54d41fc0fc8f8a89ec779696f3f7bb46e
Author: zeertzjq <zeertzjq@outlook.com>
Date:   Fri,  3 Mar 2023 07:36:41 +0800

vim-patch:9.0.0690: buffer size for expanding tab not correctly computed

Problem:    Buffer size for expanding tab not correctly computed.
Solution:   Correctly use size of end character.

https://github.com/vim/vim/commit/a0789478f6ebbb823670b7e14ce13ea3fd3b0217

Co-authored-by: Bram Moolenaar <Bram@vim.org>

Diffstat:
M
src/nvim/drawline.c
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/nvim/drawline.c b/src/nvim/drawline.c
@@ -2106,9 +2106,10 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool nochange, 
             // If n_extra > 0, it gives the number of chars
             // to use for a tab, else we need to calculate the width
             // for a tab.
-            int len = (tab_len * utf_char2len(wp->w_p_lcs_chars.tab2));
+            int tab2_len = utf_char2len(wp->w_p_lcs_chars.tab2);
+            int len = tab_len * tab2_len;
             if (wp->w_p_lcs_chars.tab3) {
-              len += utf_char2len(wp->w_p_lcs_chars.tab3);
+              len += utf_char2len(wp->w_p_lcs_chars.tab3) - tab2_len;
             }
             if (n_extra > 0) {
               len += n_extra - tab_len;