Re: [Evolution] Use of Scheme in Search Folder filters

On Sat, 2020-10-10 at 09:38 +0100, David Sumbler wrote:
Can somebody point me to an explanation of how such Scheme
expressions in Evolution should be formed, or perhaps show me how
(and whether) this one can be made to work?

I do not know whether the 'S' in 'S-Expression' means 'Scheme' (I've
been always wondering what that letter stands for, but I was also
always lazy to figure it out), but I'd rather suggest to use the Free
Form Expression. It's similar, but more user friendly, I hope. In any
case, both the GUI and the Free Form Expressions are converted into the
S-Expression, because it's what is used in the background. The semi-
documentation for the Free Form Expression can be found here:

The S-Expression doesn't have any documentation. I'm not aware of any
at least. Pointing you into the code might not be the best thing, I

Maybe it would worth to update the user documentation and add there
some Free Form Expression examples. Such always help.


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