• Raise minimum supported Python version to 3.7 (Jendrik Seipp).
• Add continuous integration tests for Python 3.10 and 3.11 (Jendrik Seipp).
• Add ConTeXt target (#224, @goetzschnell).
• Fix W3C validator warnings (#225, @goetzschnell).
• Don't use \multicolumn for single LaTeX table cells (Jendrik Seipp).
• Fix LaTeX escapes (#244, @ThexXTURBOXx).
• Use correct table title separators for Markdown target (#243, @db-inf).