0.9.6

• Optimized SVG toolbar icons (#168)
• Allow adding captions to attachments with no filename (#197)
• Changed <trix-toolbar> data attributes from data-* to data-trix-* to avoid conflicts with other libraries (#197)
• Improved parsing insignificant whitespace-only text nodes (#210, #220)
• Fixed selection error when clicking some input elements in Firefox (#215)
• Fixed that interacting with toolbar dialogs could scroll the page (061a025)
• Eliminated rendering unnecessary non-breaking spaces (#224)