Re: [PATCH -perfbook 1/3] Fix warning of missing font shape

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On Sun, Mar 19, 2023 at 08:41:11AM +0900, Akira Yokosawa wrote:
> Since commit 6be27f7414d8 ("Use Biolinum font family for epigraph"),
> new warning messages appear in the .log file which read:
> 
>     LaTeX Font Warning: Font shape `OT1/minntx/sb/n' undefined
>     (Font)              using `OT1/minntx/m/n' instead on input line 622.
> 
>     LaTeX Font Warning: Some font shapes were not available, defaults
>     substituted.
> 
> This is because the netwxmath package detects boilinum/libertine fonts
> which have semi-bold shape and sets the option of semi-bold shape
> for bold math on top of newtxtext's default font (Times Roman clone),
> which doesn't provide semi-bold shape.
> 
> Using 'OT1/minntx/m/n' for bold math means it will be rendered in
> normal (non-bold) shape.
> 
> This might be a bug in newtxmath, but can be avoided by moving the
> load of biolinum after the load of newtxmath.
> 
> Currently, perfbook doesn't use \mathbf{} and there is no visible
> defect in rendered math equations.  But it is better to fix this
> potential regression sooner rather than later.
> 
> After loading biolinum, restore newtxtext's \sfdefault (Helvetica
> clone).
> 
> Fixes: 6be27f7414d8 ("Use Biolinum font family for epigraph")
> Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx>

Queued and pushed all three, thank you!

							Thanx, Paul

> ---
>  perfbook-lt.tex | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/perfbook-lt.tex b/perfbook-lt.tex
> index f970212cb194..efb49bd0abe7 100644
> --- a/perfbook-lt.tex
> +++ b/perfbook-lt.tex
> @@ -13,7 +13,6 @@
>  
>  % A more pleasant font
>  \usepackage[full]{textcomp} % use symbols in TS1 encoding
> -\usepackage{biolinum}
>  \usepackage{lmodern}
>  \usepackage[T1]{fontenc} % use postscript type 1 fonts
>  \usepackage[defaultsups,helvratio=0.9]{newtxtext} % use nice, standard fonts for roman
> @@ -324,6 +323,9 @@
>    \DeclareFontShape{\encodingdefault}{\rmdefault}{bx}{sl}{<->ssub * ptm/b/sl}{}%
>  }
>  }
> +\usepackage{biolinum}
> +% restore \sfdefault of newtxtext
> +\renewcommand{\sfdefault}{qhv}
>  
>  \newcommand{\LstLineNo}{\makebox[5ex][r]{\arabic{VerbboxLineNo}\hspace{2ex}}}
>  
> 
> base-commit: 2d2853f4b29d0369dd3b64435d5a53203380cf96
> -- 
> 2.25.1
> 



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