Problem converting older files with lyx2lyx

[Paul A. Rubin]

On 10/4/22 21:03, ahostmadsen--- via lyx-users wrote:
> I have a problem with LyX on one of my Macs (OS 12.5.1).
>
>  1. Equations are not typeset inside lyx (compiling the document works
>     fine).
>  2. When I try to open older files I get: “…. is from an older version
>     of LyX and the lyx2lyx script failed to convert it.” This is true
>     for many files I tried.
>
> I had an older version (2.3.2) and just now upgraded to 2.3.6.2, but 
> nothing changed.
>
> I have another almost identical Mac (kind of a mirror image), and 
> don’t have these problems on that Mac. The older files open fine, so 
> it’s not corruption of the files.
>
> I did see something on the mailboard about Python not being installed. 
> However, I do have Python installed, directly from Apple (Apple’s 
> Python 3.9). When I write python in terminal, I get "Python 3.9.10 | 
> packaged by conda-forge” My other computer has the same Python 
> installation.
>
>
> Thanks,
> Anders Host-Madsen.
>
Regarding the equations, in Tools > Preferences... > Look & Feel > 
Display do you have "Instant preview" set to "On"?

Paul
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