Inasmuch as I tweeted that I have been involved in 21 sessions at XML Prague between 2009 and 2019:
I should provide some details…
2009
- Testing XSLT
- Using XSLT for C code generation and testing, poster
- XSL-FO 2.0, poster
2010
2011
- EPUB: Chapter and Verse
- and the beer…
2012
- Schematron Testing Framework, poster
- These are a few of my favourite things…, oXygen Users Meetup
2014
- XSLT 3.0 Testbed
- Formatting from XML
- Publishing Q&A panel
- Print and Page Layout Community Group @ W3C, pre-conference session
2015
- Antenna House Users Meetup, pre-conference session
2016
- Extending CSS with XSL-FO, XSL-FO with CSS
- Antenna House Users Meetup, pre-conference session
- focheck XSL-FO Framework, oXygen Users Meetup
2017
- Schematron Users Meetup, pre-conference session
- XSL-FO, CSS and Paged Output, pre-conference session
2018
- Life, the Universe, and CSS Tests
- XSL-FO, CSS and Paged Output, pre-conference session
- Introduction to CSS for Paged Media, pre-conference session
- Schematron Users Meetup, pre-conference session
- I was in on the planning for the XSpec Users Meetup, but it would be a stretch to say that I was involved
2019
- Copy-fitting for Fun and Profit
- XSL-FO, CSS and Paged Output, pre-conference session
- Introduction to CSS for Paged Media, pre-conference session
- Schematron Users Meetup, pre-conference session
So it’s more like 23 sessions between 2009 and 2019, but you get the idea.