From 2020 onwards LaTeX includes the L3 programming layer as part of the format. The code for this layer is hosted in its own repository: GitHub; any issues ... ... <看更多>

Even with MiKTeX, problems can arise when the base installation gets too old and the automatic download feature stops working. – Ian Thompson. ... <看更多>

For RStudio, go to Help -> check for updates. For Windows, click the “install R for the first time”, which is blue and bold next to “base.” Then 'Download R ... ... <看更多>

There's no reason to complicate things with Cygwin. Go download and install a TeX distribution for Windows - I personally use TeX Live, ... ... <看更多>