Until recently, I was not aware of \procedure. I don’t use them yet. I can’t really see in the doc what it does better than \define. Except using the \parameters pragma. But the docs don’t really show why it would be such a great feature. Would the combination of the two works better (than \define)…

You might want to read #4673 , which contains a lot of information about this and links to more. For that matter, I should re-read it, as I still haven’t internalized them. :grinning_face_with_smiling_eyes:

@jypre https://tiddlywiki.com/#Variable%20Usage

@CodaCoder In variable usage, I can read <$set name="sp2" value=""" \parameters(a1) <$parameters a1><<a1>></$parameters> """> I suppose it is meant to say that you can do <$set name="sp2" value=""" \parameters(a1) <<a1>> """> otherwise I don’t see the use of \parameters(a1). This is indeed the c…

Thank you @Scott_Sauyet for the link. Now I krow that \procedure is the new macro mechanism and I ought not to use \define anymore. A good point for this being there is no more (slow) text substitution. So we definitely must update the doc about macro, mustn’t we?

I read in this help page that with \defined macro called along the usual way, that “all wikitext and variable substitution and textual substitution takes place”. But this is not illustrated. I may be a bit dumb’ but what is the difference with “All wikitext and variable substitution takes place”? T…

[image] jypre: Is that so? I don’t know. I had exactly the same question when I read it – I wondered why “textual substitution” was added. I figured I’d glossed over something and never did go back to see what I’d missed.

In “Variable usage” all the usage is within a simple wiki context. Ther is not a word about filter context. My tests indicate this is a whole different story. A lot of things are different (read as producing blank only).

[image] jypre: I can’t really see in the doc what it does better than \define. Except using the \parameters pragma In fact one may argue its poorer as the variable substitutions are now ONLY as variables. However with the parameters widget and “functions” now available (that allows many forms…

Talk TW

\procedure vs \define

macro

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