preview of tikz pictures

[Paul A. Rubin]

On 3/23/23 11:25, Paolo M wrote:
> Here enclosed, two lyx docs:  expo2 and expo3 differing just in one 
> (commented out) line in their preamble:
> expo2: %\lfoot{  }
> expo3: %\lfoot{ è  }
>
> Both docs produce their pdf file but the weird thing is that, in 
> expo3, picture cannot be previewed in lyx.
> How can a comment in preamble affect preview?
>
> Any ideas?
>
> thank you
>
> Paolo M.
>
> -- 
> --- Paolo M. Pumilia - 347 231 54 96.
>
I'm not exactly sure why it happens, but when LyX tries to render the 
picture into a graphic image, the Python script fails because both 
epstopdf and pdflatex choke on the accented symbol, despite it being in 
a comment.

One solution is to go into Document > Settings... > Language and switch 
the encoding from "Language default" to Unicode (UTF-8). Save the 
changed document, close it and reload it, and the image is previewed.

Paul
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