Woodland plant with purple spotted leaves

Woodland plant with purple spotted leaves

Observation - Woodland plant with purple spotted leaves - UK and Ireland. Description: Green leaves with purplish spots and purple edging to the leaves. Three small clumps noticed in Blean Woods nr Canterbury (Ancient Woodland). Could someone please tell me what it is?

Green leaves with purplish spots and purple edging to the leaves. Three small clumps noticed in Blean Woods nr Canterbury (Ancient Woodland). Could someone please tell me what it is?