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
>
