Try to reproduce a formatting bug reported in comfy-table

Issue:
Nukesor/comfy-table#90

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "debug"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+comfy-table = "^6"

src/main.rs

@@ -0,0 +1,22 @@
+use comfy_table::presets::*;
+use comfy_table::*;
+
+fn main() {
+    let header = vec!["a\n---\ni64", "b\n---\ni64", "b_squared\n---\ni64"];
+    let rows = vec![
+        vec!["1", "2", "4.0"],
+        vec!["3", "4", "16.0"],
+        vec!["5", "6", "36.0"],
+    ];
+
+    let mut table = Table::new();
+
+    let table = table
+        .load_preset(UTF8_FULL)
+        .set_content_arrangement(ContentArrangement::Dynamic)
+        .set_width(100);
+
+    table.set_header(header).add_rows(rows);
+
+    println!("{}", table);
+}