Hi,
I have 2 computers with Linux Manjaro and  go version 1.16.3.
The same scatter plot 
<https://gist.github.com/sbinet/602522b7399ead414e279e2261d81095> works on 
one computer and produces on the other these already known errors : 
<https://groups.google.com/g/gonum-dev/c/a8sC1fzV3Mo>

# gonum.org/v1/plot/text
/home/fred/GO/src/gonum.org/v1/plot/text/latex.go:153:3: cannot use 
hdlr.Fonts.Lookup(rm, fnt.Size).Face (type *sfnt.Font) as type 
*truetype.Font in field value
/home/fred/GO/src/gonum.org/v1/plot/text/latex.go:154:3: cannot use 
hdlr.Fonts.Lookup(rm, fnt.Size).Face (type *sfnt.Font) as type 
*truetype.Font in field value
/home/fred/GO/src/gonum.org/v1/plot/text/latex.go:155:3: cannot use 
hdlr.Fonts.Lookup(it, fnt.Size).Face (type *sfnt.Font) as type 
*truetype.Font in field value
/home/fred/GO/src/gonum.org/v1/plot/text/latex.go:156:3: cannot use 
hdlr.Fonts.Lookup(bf, fnt.Size).Face (type *sfnt.Font) as type 
*truetype.Font in field value
/home/fred/GO/src/gonum.org/v1/plot/text/latex.go:157:3: cannot use 
hdlr.Fonts.Lookup(bfit, fnt.Size).Face (type *sfnt.Font) as type 
*truetype.Font in field value
/home/fred/GO/src/gonum.org/v1/plot/text/latex.go:221:3: cannot use 
op.Glyph.Font (type *truetype.Font) as type *sfnt.Font in field value

an update does not fix the error.

go get -u gonum.org/v1/plot/...
# cd /home/fred/GO/src/github.com/go-latex/latex; git pull --ff-only
Votre information de configuration indique de fusionner avec la référence 
'refs/heads/master'
du serveur distant, mais cette référence n'a pas été récupérée.
package github.com/go-latex/latex/drawtex: exit status 1

the go/src/gonum.org/v1/plot/font directory is the same on both computers. 
Do I need to install some missing fonts ?

Thanks in advance,

Fred

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