dust | A more intuitive version of du in rust

I have dusted off an old LaTeX template that I used with RMarkdown some time ago (when it worked), updated to the latest R, RMarkdown, tinytex etc.

When I try to knit the document, it gives an error that it cannot find the Accanthis font:

! Package fontspec Error: The font "AccanthisADFStdNo3-Regular" cannot be (fontspec) found.

! name = AccanthisADFStdNo3-Regular, rootname = AccanthisADFStdNo3-Regular, pointsize =

! mktexmf: empty or non-existent rootfile! ...

This is called from the template with lines:

\usepackage{fontspec}

\setmainfont{AccanthisADFStdNo3}[ UprightFont = *-Regular, ItalicFont = *-Italic, BoldFont = *-Bold, BoldItalicFont = *-BoldItalic, Ligatures={TeX,NoRequired}, ]

TinyTex can see the font in that tinytex::tlmgr_search("/AccanthisADFStdNo3-Regular[.](tfm|afm|mf|otf)") locates an.otf file

but running from the command line mktextfm AccanthisADFStdNo3-Regular gives "mktexmf: empty or non-existent rootfile!" and is looking for a .mf file that does not exist.

Any idea what the cause of this is? Thanks

https://codepen.io/thatfemicode/pen/MWpwaRQ

https://twitter.com/P_h_l_i_x/status/1353659923834544128

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I'm using react and Typescript.
When I press a Button, I want to go to the next button.
For example, when I press a Button in the blue Box component, I want it to go to the red Box component below. Also, I don't want to use the a tag.I've been using codesandbox to implement this, but I can't figure out how to move the scrolling position.
https://codesandbox.io/s/eloquent-dust-ikdv1?file=/src/index.tsx

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Here's the database:

I'm trying to write a Python script that would "clean up" scanned images before they can be processed with Tesseract. Apart from text, the images also have some dust, scanning artifacts, weird lines at the page margins, and so on. Here's what a typical page looks like

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After compiling I receive this error message:

Failed to compile src\App.js Line 4:1: 'state' is not defined no-undef

Code App.js:

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