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bug#40185: #40185: 28.0.50; Emacs Calc selection of a sub-formula doesn'

From: Mattias Engdegård
Subject: bug#40185: #40185: 28.0.50; Emacs Calc selection of a sub-formula doesn't highlight it
Date: Tue, 24 Mar 2020 10:07:27 +0100

23 mars 2020 kl. 23.37 skrev Narendra Joshi <address@hidden>:

> Thanks for the explanation. :) I think I got it. It seems to me that
> porting a large package like `calc` to use lexical binding everywhere
> would mean fixing a lot of such bugs.

Yes, currently only a few files have been converted to lexical binding, and the 
Calc code relies heavily on dynamic variables everywhere. The code also uses 
side-effects a lot. Rewriting it in a more modern, functional style would do 
wonders for maintainability and correctness, but its size and complexity is 
likely to make it quite an enterprise.

> Is the fix also going to be merged to `master` or will it be merged
> sometime later?

It will be merged in a few days. If not, please send a reminder.

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