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I have just downloaded the OldStandard.sty package avaible on CTAN. Reading the user's manual it seems the font should be ready for the math mode too. However, in the mwe below you can see the equations are typeseted in Latin Modern. Is it possible to change this? I had thought about using mathspec.sty package but I think it will be better if we can avoid it. Does OldStandard.sty package include current symbols as the ones provided by \in, subset\{\cup etc?

Another thing I would like to ask you for is about the italic 'f'. The Old Standard font has loads of files in CTAN. In particular, the .tfm file OldStandard-Italic-sup-ly has an alternative 'f' (character number 131). How can I use it instead of the normal ins such a way the ligatures are preserved?

Thanks

MWE

\documentclass{article}

\usepackage{fonttable}
\usepackage{OldStandard}

\newcommand{\abc}{abcdefghijklmnopqrstuvwxyz }
\newcommand{\ligs}{ff fi fff ffi fl ffl}

\begin{document}
\centering

\fonttable{OldStandard-Italic-sup-ly1.tfm}

\newpage

\abc \ligs

\textit{\abc \ligs}

\end{document}
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    I see no statement about math support in the manual. The OpenType font has several math symbols, but it is not tailored for unicode-math as is. Certainly there's no math support for the pdflatex version. – egreg May 14 '19 at 22:17
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    LY1 encoding is a legacy 8bit encoding that should never be used with luatex or xetex, character 131 is \textflorin so a currency symbol not a long f for normal text. – David Carlisle May 14 '19 at 22:24
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    By the way, the package is OldStandard.sty. Using lowercase works on Windows, but not on other systems. – egreg May 14 '19 at 22:29
  • @egreg The guide talks about mathematical operators and mathematical Greek fonts. That is why I thought it could be used in math mode too. And I'll edit the question to capitalise the letters. Thanks for the point. – Dog_69 May 14 '19 at 22:41
  • @DavidCharlisle Then, there's no say to get that alternative "f"? Maybe using the combofont package or something like that? – Dog_69 May 14 '19 at 22:43
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The question is very unclear but the legacy pdftex LY1 encoding has \textflorin in position 131. The florin character is ƒ Unicode U+0192 so as far as I can tell, you want:

enter image description here

\documentclass{article}

\usepackage{fontspec}
\setmainfont{OldStandard-Regular}
\begin{document}

efgƒ

\end{document}
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  • Not exactly. What I want is to substitute the italic f by the \textflorin (I didn't know it was a currency symbol) but keeping ligatures with this new symbol. – Dog_69 May 15 '19 at 8:35
  • @Dog Ligatures have to be drawn by the font designer not something that can sensibly be added by tex. How could you use a font with all upright letters except f? Do you want to use the oldstandard italic as your base font? – David Carlisle May 15 '19 at 21:01
  • No, the main font should be Old Standard regular, but when italic is used, character 131 should replace the usual f. I know ligatures must be provided by the font author so, I'm afraid if such a substitution is done, ligatures won't be possible, due to the character of the 131th glyph. – Dog_69 May 15 '19 at 22:08
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    it isn't the 131st glyph (that is just a subset numbering for the non standard LY1 encoding for the Y&Y TeX system (which has not been available for years) – David Carlisle May 16 '19 at 9:38
  • Yes, exactly. Thanks for the remark. – Dog_69 May 16 '19 at 12:40

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