I write all my presentations in HTML. Advantages: - greater flexibility than with Markdown; - no need to decide between Markdown, ReStructuredText, Wiki markup, BBCode, etc; Disadvantages: - writing closing tags is cumbersome; The source code is here: https://github.com/ClickHouse/clickhouse-presentations Example: https://presentations.clickhouse.com/meetup74/ai/
Personally I've come to appreciate that many closing tags are unnecessary in HTML. Makes many constructs much more concise. Especially with tables:
Some letters and numbers
Letters Numbers
A 1
B 2
C 3