patch 8.1.1908: every popup window consumes a buffer number
Problem: Every popup window consumes a buffer number.
Solution: Recycle buffers only used for popup windows. Do not list popup
window buffers.
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index aad1bae..2b2ef36 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -4633,8 +4633,9 @@
return _(e_invrange);
break;
case ADDR_BUFFERS:
- if (eap->line1 < firstbuf->b_fnum
- || eap->line2 > lastbuf->b_fnum)
+ // Only a boundary check, not whether the buffers actually
+ // exist.
+ if (eap->line1 < 1 || eap->line2 > get_highest_fnum())
return _(e_invrange);
break;
case ADDR_LOADED_BUFFERS: