patch 9.0.1578: SpellCap highlight not always updated when needed
Problem: SpellCap highlight not always updated when needed.
Solution: Handle updating line below closed fold and other situations where
only part of the window is redrawn. (Luuk van Baal, closes #12428,
closes #12420)
diff --git a/src/proto/spell.pro b/src/proto/spell.pro
index f6bad56..98a1353 100644
--- a/src/proto/spell.pro
+++ b/src/proto/spell.pro
@@ -28,7 +28,7 @@
int spell_iswordp(char_u *p, win_T *wp);
int spell_iswordp_nmw(char_u *p, win_T *wp);
int spell_casefold(win_T *wp, char_u *str, int len, char_u *buf, int buflen);
-int check_need_cap(linenr_T lnum, colnr_T col);
+int check_need_cap(win_T *wp, linenr_T lnum, colnr_T col);
void ex_spellrepall(exarg_T *eap);
void onecap_copy(char_u *word, char_u *wcopy, int upper);
void allcap_copy(char_u *word, char_u *wcopy);