Feature Request: Spell Check

#1

I know that TexMacs has a spell check option but I really enjoy the immediate spell check feedback I get from Overleaf or Word. Is it possible to get that (the red wiggly lines underneath wrong words) in TexMacs ?

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#2

I like this feature too,
Don’t know if this feature could be easily implemented in TeXmacs.

#3

It should be doable in the background while typing. Maybe worth to put in the wishlist in savannah. I’m not sure it is a priority. But if somebody wants to try does not seems difficult either, actually should be possible to do it in scheme…

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#4

Personally, I think this would be very valuable to have.

I’m wondering about an implementation in Scheme. I suppose such an approach would work by altering the tree structure to underline misspelled words (I don’t know another way to highlight words from Scheme). Is this a desirable approach? Tags labeling these words could be made screen-only, but still, it would be introducing tags. Do we want to have these tags in the saved file? I don’t think so, so can we keep them from being saved? Can we prevent the introduction of such tags from affecting the edit history?

#5

I think this is the approach. For example look at how search is implemented (the highlight box is a markup in the document, not a visual feature). There is some temporary markup which modify the appearance of the document. I’m not sure how it is made temporary. But this is what we want. I think.

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#6

I see, from a brief look at the source (TeXmacs/progs/generic/search-widgets.scm), it seems the highlighting is done by “alternative selections” using set-alt-selections. That glue function seems to take care of drawing the colored boxes.
The function is also used in the current implementation of the spell checker (TeXmacs/progs/generic/spell-widgets.scm).

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