From ead28d0e8f97808d00eb102ab0552c1e85d39c27 Mon Sep 17 00:00:00 2001
From: Jeff Horwitz <jeff@smashing.org>
Date: Sun, 12 Feb 2023 10:32:42 -0500
Subject: [PATCH] increment lastColumn when inserting columns

---
 table.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/table.go b/table.go
index 07c910a..0e5c047 100644
--- a/table.go
+++ b/table.go
@@ -346,6 +346,7 @@ func (t *tableDefaultContent) InsertRow(row int) {
 
 // InsertColumn inserts a new column at the given position.
 func (t *tableDefaultContent) InsertColumn(column int) {
+	var didInsert bool
 	for row := range t.cells {
 		if column >= len(t.cells[row]) {
 			continue
@@ -353,6 +354,10 @@ func (t *tableDefaultContent) InsertColumn(column int) {
 		t.cells[row] = append(t.cells[row], nil)             // Extend by one.
 		copy(t.cells[row][column+1:], t.cells[row][column:]) // Shift to the right.
 		t.cells[row][column] = &TableCell{}                  // New element is an uninitialized table cell.
+                didInsert = true
+	}
+	if didInsert {
+		t.lastColumn++
 	}
 }