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-rw-r--r--src/screen.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/screen.c b/src/screen.c
index d39fca263..b810065ab 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -11333,6 +11333,14 @@ number_width(win_T *wp)
if (n < wp->w_p_nuw - 1)
n = wp->w_p_nuw - 1;
+# ifdef FEAT_SIGNS
+ // If 'signcolumn' is set to 'number' and there is a sign to display, then
+ // the minimal width for the number column is 2.
+ if (n < 2 && (wp->w_buffer->b_signlist != NULL)
+ && (*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u'))
+ n = 2;
+# endif
+
wp->w_nrwidth_width = n;
wp->w_nuw_cached = wp->w_p_nuw;
return n;