No, you haven’t said too much, not at all. There are articles on my website that even I have trouble reading, which is really sad given that I’m also the person who wrote said articles. If my formatting adds to the problem, well, the formatting needs to change 
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One thing I would like is for these two articles to be updated for GIMP 2.9.5/6 - a lot has changed since these articles were written, and a lot is still the same:
There are several additional articles on my website that I think would make good high bit depth GIMP tutorials for either pixls.us or gimp.org, or both, specifically these:
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Making a perceptually uniform step wedge using GIMP
Make a perceptually uniform step wedge -
A tutorial on GIMP’s very awesome LCH Blend Modes
GIMP's LCH Blend Modes -
Autumn colors: An Introduction to High Bit Depth GIMP’s New Editing Capabilities
Edit tonality and color separately using high bit depth GIMP -
The two LCH tutorials that are nominally the topic of this thread, which I’m still working on.
Unfortunately I’m not prepared to do whatever work might be required to update/transfer these tutorials, though of course I can help proofread. The problem (one problem) is that my wrist is still giving me a lot of trouble when I type too much, which I’ve been doing with the two new LCH tutorials.
The reason I’ve been working on the two LCH tutorials is because LCH is such an amazing new capability for GIMP, and I’d like to see it off to a good start with users who wonder what this LCH stuff is about. But these are the last two tutorials I’m planning on trying to write, at least for the foreseeable future.
It might be nice to transfer everything about “Elle’s tutorials and writing style” to a separate thread, for purposes of perhaps working up updating/transferring some tutorials to gimp.org/pixls.us. That would leave this thread focussed on LCH and the two LCH tutorials. Thoughts?