I'm still using Sublime Text 2 on macOS Mojave and sometimes, but not always, if I take a screenshot of it, the text gets captured without syntax highlighting d

I'm still using Sublime Text 2 on macOS Mojave and sometimes, but not always, if I take a screenshot of it, the text gets captured without syntax highlighting despite being highlighted on screen. So it's definitely doing some graphical shenanigans to render text as fast as it does.