Ctrl+= for Zoom In not working but Ctrl+- for zoom out is working

[kendonB]

System details

RStudio Edition : Desktop
RStudio Version : 1.2.1578
OS Version      : Windows 10
R Version       :  3.6.1

Steps to reproduce the problem

Press Ctrl+= then Ctrl+-

Describe the problem in detail

Zoom out works but zoom in doesn't work

Describe the behavior you expected

Both zoom out and in work. I was able to assign zoom in to Ctrl+= in the modify keyboard shortcuts dialog to get the behavior I'm after. However, neither Ctrl+- nor Ctrl+= were assigned and yet Ctrl+- worked to zoom out.

This is the current setup and they both are active and working.

The behavior I'd expect out of the box is that these are both explicitly assigned Ctrl+= to Zoom In and Ctrl+- to Zoom Out.

[aukeschaap]

The correct keyboard shortcut for 'Zoom In' is Ctrl++ or in other words, Ctrl+Shift+=. This is probably intended as under 'View' you can see the shortcut for 'Zoom In' being mentioned.

edit: attached screenshot

[kendonB]

I see. The lack of symmetry between the two commands is a bit weird then with one requiring the shift and the other not. A few other programs default behavior on my machine:

Chrome: Ctrl+=, Ctrl+Shift+=, Ctrl+-, and Ctrl+Shift+- all work.
VSCode: Ctrl+=, Ctrl+Shift+=, Ctrl+-, and Ctrl+Shift+- all work.
Notepad: Ctrl+=, Ctrl+- work.
Notepad++: None of these work on this laptop but they appear to be mapped to Ctrl+NUMPAD+ and Ctrl+NUMPAD-.
Git bash: Ctrl+=, Ctrl+Shift+=, Ctrl+- work.

I quite like the Chrome/VSCode behavior where they just all work.

[kevinushey]

I agree it would be useful (for symmetry) to have all of these work, or at least have all of the variants using Shift (or not Shift) to work.

[gtritchie]

Somewhat related: #1683

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