Questionable behavior of draw_string()'s width parameter

[MewPurPur]

Tested versions

4.2.1

System information

Godot v4.2.1.stable - Pop!_OS 22.04 LTS - X11 - Vulkan (Forward+) - integrated Intel(R) Graphics (ADL GT2) () - 12th Gen Intel(R) Core(TM) i5-1235U (12 Threads)

Issue description

Sometimes, shrinking the width parameter of CanvasItem.draw_string() by 1 removes 2 characters off the end, which seems like it should never happen.

Steps to reproduce

func _draw() -> void:
	draw_string(load("res://CodeFont.ttf"), Vector2(8, 50), "1234567", HORIZONTAL_ALIGNMENT_LEFT, 68)  # Prints 1234567
	draw_string(load("res://CodeFont.ttf"), Vector2(8, 65), "1234567", HORIZONTAL_ALIGNMENT_LEFT, 67)  # Prints 12345

Minimal reproduction project (MRP)

CodeFont.zip

^ The font file, plus the above code on a node like Control, is everything necessary to reproduce this.