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If you are familiar with HTML, you know that you can use <!--- to hide notes to yourself --->. I realized today that, if you want to, you can use the rich text formatting in the preview program do something similar in a long text column that you have set to HTML.
If you are not familiar with rich text in AppSheet see the following:
Now, here's how to hide text:
As you can see, the note to myself is contained in an <a> tag but the tag has no effect on the displayed text because it's empty:
Now, of course, the note is only hidden from the surface; if you confess to a horrible crime in the <a> tag, your crime may be discovered. But, this is more-or-less the same as <!--- ---> in HTML.
I tried <p> and it worked but it gave me an extra line. I imagine that other tags would work too but <a> seems fairly convenient. By the way, I got the idea here:
