Crthuky

I'm using the Skolar font for a work and I'm experimenting with mathspec just to match the fonts in regular and math text.

There's a latin character called "f with hook" (unicode 0192; ALT+131 on Windows) that I want instead of the italic f in math mode. The difference between the regular f, italic f and f with hook is shown in the next image.

I tried this

makeatlettter
 DeclareMathSymbolfmathalphaeu@LatinLowercase@symfont`ƒ
makeatother

but prints nothing. I can write symbol"0192 and get ƒ in the pdf, so, I also tried

makeatlettter
 DeclareMathSymbolfmathalphaeu@LatinLowercase@symfont"0192
makeatother

but does not print anything; and

makeatlettter
 DeclareMathSymbolfmathalphaeu@LatinLowercase@symfontsymbol"0192
makeatother

crashes. In this site is pointed that the command DeclareMathSymbol must be invoked like this

DeclareMathSymbol <symbol> <type> <sym-font> <slot>

and I think the problem is in the way I'm writing the <slot> with a wrong format. So, my question is how I can solve this whithout defining f as symbol"0192 cuz I will need to replace every single f (in a math environment) in my code by f.

A MWE would be like this.

documentclassarticle

usepackagemathspec

defaultfontfeaturesLigatures=TeX

setmainfontTimes New Roman

setmathfont(Digits,Latin,Greek)Times New Roman

setmathrmTimes New Roman

begindocument
 ftextitfsymbol"0192 $f(x)=f(x).$
enddocument

I don't know if Times New Roman is installed on Linux distributions but you can change Times New Roman for Ubuntu or anything else.