[Octave-bug-tracker] [bug #43651] special character (diameter sign) in plot produces warning or doesn't show up

[Rik]

Follow-up Comment #1, bug #43651 (project octave):

The FLTK toolkit has a TeX interpreter which only works for the onscreen
display of special characters.  There is a separate issue report filed about
the wish to extend the TeX interpreter to printed characters.

As for gnuplot, it does work just fine for me on a Linux PC and for you on a
different installation.

I would suggest starting by finding out which gnuplot version is being used. 
Another key is the font that is being used.  You might try setting it to
something you know exists on your computer and has the correct glyph (Unicode
2298 Circled Division Slash).

For example, I don't get an error if I use the default font for gnuplot.  But,
I do if I use a named font.

octave:1> graphics_toolkit gnuplot
octave:2> text (0.5,0.5, 'A \0 B', 'fontname', '*')
octave:3> text (0.5,0.5, 'A \0 B', 'fontname', 'arial')
warning: ft_render: skipping missing glyph for character '2298'
warning: ft_render: skipping missing glyph for character '2298'



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