I hope I am not yet too late. Regarding glerikud 's suggestion about this topic:
I think it is fair to also have the variables, native/common expressions, objects in an expression format to also not be selected by SPACE, instead
it should be selected by ENTER.
This is only a suggestion though.
Attach a Capx
Description of Capx
Steps to Reproduce Bug
The Variable is selected instead of the input " " (space).
The Space Key should (as a suggestion) input a " " (space) instead of selecting x.
Operating System and Service Pack
Windows 8.1 64-bit
Construct 2 Version ID
Construct 2 r232 beta release.
Closing as won't fix for the time being - this is arguably a user convenience choice and is probably better to discuss in the Construct 2 General forum to see if there's any consensus amongst users.
Nobody ever complained about space autocompleting before IIRC, except for the recent report about group names, because those can legitimately contain a space which makes autocompleting irritating. In normal expressions like your example, space can never be part of an identifier, so that autocompletes on the same basis typing another character would (like +).
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I see your point.