the highlight face doesn't show up, selection is invisible about eshell-syntax-highlighting HOT 4 CLOSED

For the prettify-symbols-mode, you need to set prettify-symbols-alist to the appropriate symbol mapping for the major mode. I believe the lambdas in emacs-lisp-mode are converted back to text when copied to the eshell buffer. I think this may do the trick:

(add-hook 'eshell-mode-hook
	  (lambda () (setq-local prettify-symbols-alist '(("lambda" . 955)))))

For the region issue, I believe this is probably due to how the eshell-syntax-highlighting--highlight function strips the existing face in this line. I expect we should be able to just keep the face highlighted here if the region is active. I will look into how to do this properly when I have a bit more time.

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Hi,
thank you for the response.

About prettification: I know that it works when copying elisp from an elisp buffer into the Eshell. When writing in the Eshell it doesn't work though.

I have tried to use your code modifying the prettify-symbols-list variable but then whenever I entered the prettify-symbols-mode in Eshell (be it with first enabling global-prettify-symbols-mode and then entering Eshell or entering Eshell and only then enabling the minor mode locally) all the face colours would disappear. Even my prompt which had a colourful part has lost it's colour -- the faces defaulted to default same with all the highlighting from your package. Perhaps the issue has something to do with Eshell and the minor mode in question in general

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I've addressed this issue in 4416a17 by simply disabling highlighting when the region is active. Seems to work well enough.

For the prettify-symbols-mode issue, it may have to do with the fact that neither eshell or this package use font-lock. If prettify-symbol- mode messes with your prompt even without this package enabled, I expect it is prettify-symbol-mode calling font-lock methods, overriding prompt/syntax highlighting.

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Just upgraded the package and the highlighting works. Thanks!

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