fix: doctype with entities handling #39

Job	Run time
build (12.x, ubuntu-latest, bash)	26s
build (12.x, macos-latest, bash)	6s
build (12.x, windows-latest, bash)	57s
build (12.x, windows-latest, powershell)	1m 7s
build (14.x, ubuntu-latest, bash)	26s
build (14.x, macos-latest, bash)	6s
build (14.x, windows-latest, bash)	55s
build (14.x, windows-latest, powershell)	54s
build (16.x, ubuntu-latest, bash)	23s
build (16.x, macos-latest, bash)	24s
build (16.x, windows-latest, bash)	1m 4s
build (16.x, windows-latest, powershell)	1m 16s
build (17.x, ubuntu-latest, bash)	26s
build (17.x, macos-latest, bash)	22s
build (17.x, windows-latest, bash)	55s
build (17.x, windows-latest, powershell)	57s
	10m 44s

Provide feedback