🧑‍🤝‍🧑 User

• 📖🔖📇🔎 Span instead of link when not any URI provided (headings and non clickable tree items have better visual format)
• 📢🖨️ Admonitions printed with simple characters instead of bright unicode icons
• 🛡️📦 DOMPurify library integrated as optional 3rd party component

🐞 Bugfix

• 🖼️ Small fixes in content rendering process

🧩 Technology

• 🖼️ pTRFlushToDOM - chapter content now supports list of variables which can be used for chapter rendering (currently closed inside plugin, keys - LANG, VERSION with marker __ on both sides)
• 📚 puiButtonAsBook - internal refactor of heading anchors preparation process