Thanks Richard, that probably explains it. There are style runs in the TextEdit 
text (and not, say, in Atom or some other editor). It was just odd to me 
because I think (quite simplistically) of text being text and not expecting 
them to have style runs, but of course they can. This also began because not 
only could I not change my text, someone else previously had this problem and 
eventually fixed it by deleting the fields and starting over 
(https://forums.livecode.com/viewtopic.php?f=7&t=32727 
<https://forums.livecode.com/viewtopic.php?f=7&t=32727>). I now suspect it may 
have been style runs in their text as well. I don’t tend to run into this sort 
of problem because I’m rarely concerned with the style of text, but in this 
particular case I actually did want to change the font size and color and 
couldn’t, and that had me puzzled. Ok good, I think you've solved this. Thanks 
for weighing in.

Mark

> On Apr 29, 2021, at 5:18 PM, Richard Gaskin via use-livecode 
> <use-livecode@lists.runrev.com> wrote:
> 
> Mark Smith wrote:
> 
> > here’s an odd pasting issue I ran into the other day. To cut to the
> > chase, basically I can make a field become unmodifiable with respect
> > to TEXT parameters (excluding align) by pasting anything from Apples
> > TextEdit tool into the field.
> 
> By what means were you attempting to modify the text styles?
> 
> If you modify the text styling properties of the field object itself, 
> remember that style runs within the field will override those.
> 
> You could have your script paste with putting the clipboardData["text"] into 
> the selection, and you can strip style runs to inherit field properties with 
> "put fld X into fld X".
> 
> -- 
> Richard Gaskin
> Fourth World Systems
> Software Design and Development for the Desktop, Mobile, and the Web
> ____________________________________________________________________
> ambassa...@fourthworld.com                http://www.FourthWorld.com
> 
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