Hidden West Yorkshire - Pontefract's most famous export - ÃÛÑ¿´«Ã½ Sounds

Hidden West Yorkshire - Pontefract's most famous export - ÃÛÑ¿´«Ã½ Sounds
Pontefract's most famous export
It's 50 times sweeter than sugar, but why is Pontefract so synonymous with liquorice?