Pressing spacebar before a formula deletes the rest of the lile about ckeditor5-math HOT 7 CLOSED

The behaviour is sometimes different: hitting the space bar leads to line break. It can be tested by adding the line

dvojný integrál — určitý integrál funkcie dvoch premenných \(f(x, y)\) cez rovinnú oblasť \(D\):

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Something similar happens also in the case when a formula is at the end of a line. If cursor is behind the formula and one presses the space bar, the formula vanishes

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Hello,

This is a interesting bug. I think this happen only when use Firefox (at least it work properly in Chrome). This needs some debugging.

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Hi. I encountered the same issue. Formula disappears if whitespace is inserted right after a formula. Also it's not possible to place cursor after a formula using mouse in Firefox (you can only move cursor using arrow keys).

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I changed editingDowncast container class from div to span (https://github.com/isaul32/ckeditor5-math/blob/master/src/mathediting.js#L128). I think this fix space before formula issue.

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Relates to ckeditor/ckeditor5#6532

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Fixed in v19.0.0.

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