Hi Paolo,
The line on top in the PDF appears because you have 'fancy' selected under
Page Layout; normally you'd specify running headers with that layout that
would appear above the line. Set it back to "default" if you don't want the
line.
I couldn't reproduce your problem. The π shows up correctly in the PDF for
me regardless of the encoding I choose.
What are you trying to do? If you're using Greek letters in a math context,
you do not need to change the encoding. Just enter math mode (see
Help>Math) and type \pi, \alpha, \tau, etc. along with all the other math
stuff you need. LyX out-of-the-box default settings will make it show up
correctly.
Maria
On Sun, Oct 6, 2024 at 5:45 AM Paolo M <paolo.m.pumilia.gnar...@gmail.com>
wrote:
> The following LyX setup
> document->settings-> language->encoding type 'traditional
> (auto-selected)'
>
> yields the expected pdf view, showing greek character \pi
> (by the way, where do the line appearing on top come from? )
>
> while setting
> document->settings-> language->encoding type 'Unicode (utf8)'
> exporting to pdf yields:
> ----
> LaTeX Error: Unicode character π (U+03C0)
>
> Description:
> \textgreek{π}
>
> You may provide a definition with
>
> \DeclareUnicodeCharacter
>
> ----
>
>
> MWE included
> thank you
> p.
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