I reverted it back-and-forth a bit. Reloaded the page, purged the page, makes no difference. I can't make either one of the two available versions show when it is the current revision. The initial version renders thumbnails, but not when I revert to that version. The cropped version never renders a thumbnail.
- fixed-point numbers: https://oreillymedia.github.io/Using_SVG/extras/ch08-precision.html
- Mozilla does not recommend the use of excessive precision numbers in general https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/SVG_Guidelines#Styling
- Chrome and Inkscape also do not seem to support this