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patch 9.1.0374: wrong botline in BufEnter

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Problem:  When :edit an existing buffer, line('w$') may return a
          wrong result.
Solution: Reset w_valid in curwin_init() (Jaehwang Jung)

`do_ecmd()` reinitializes the current window (`curwin_init()`) whose
`w_valid` field may have `VALID_BOTLINE` set. Resetting `w_botline`
without marking it as invalid makes subsequent `validate_botline()`
calls a no-op, thus resulting in wrong `line('w$')` value.

closes: #14642

Signed-off-by: Jaehwang Jung <tomtomjhj@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Jaehwang Jung
2024-04-26 18:48:48 +02:00
committed by Christian Brabandt
parent 4b9fc8247a
commit eb80b8304e
4 changed files with 17 additions and 2 deletions
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src/vim.h
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@@ -656,8 +656,8 @@ extern int (*dyn_libintl_wputenv)(const wchar_t *envstring);
#define VALID_VIRTCOL 0x04 // w_virtcol (file col) is valid
#define VALID_CHEIGHT 0x08 // w_cline_height and w_cline_folded valid
#define VALID_CROW 0x10 // w_cline_row is valid
#define VALID_BOTLINE 0x20 // w_botine and w_empty_rows are valid
#define VALID_BOTLINE_AP 0x40 // w_botine is approximated
#define VALID_BOTLINE 0x20 // w_botline and w_empty_rows are valid
#define VALID_BOTLINE_AP 0x40 // w_botline is approximated
#define VALID_TOPLINE 0x80 // w_topline is valid (for cursor position)
// Values for w_popup_flags.