Syntax highlighting working only for Python cells and not for Julia and R.

[mg104]

I've installed the latest docker image for sos-notebook on my ubuntu 22.04 machine, but the notebook with sos-kernel is providing syntax highlighting only for Python code (when the Python code is inside python cell, as well as in a Julia or R cell; for example: "for" and "print" is highlighted even when I write these statements inside a Julia cell). When I create a Julia notebook, the syntax highlighting is happening correctly.
I've tried all possible methods of troubleshooting but haven't got any success. Could this be a feature that hasn't been added to the sos-notebook?

[mg104]

Following is a snippet of how code appears in an SOS-notebook:

[BoPeng]

This is a known issue (vatlab/jupyterlab-sos#65 (comment)) for JupyterLab 4.x, which adopts codemirror 6.x that is incompatible with codemirror 5.x. I am in the process of rewriting the sos language mode (https://github.com/vatlab/codemirror-sos ) which is a serious undertaking and will take a while to complete.

[BoPeng]

Please upgrade to jupyterlab-sos 0.10.1 and let me know if the problem persists. Note that this version still does not support highlighting sos related features (e.g. %expand) but it uses the right codemirror mode for subkernels.

[mg104]

Hi Bo,

Thanks so much for your clarification and help! I tried jupyterlab-sos 0.10.1 and the issue has got resolved as shown in the below snippet:

Its just that the R code is not highlighted (actually it seems that Jupyterlab doesn't support highlighting R code, because this is not just happening in the SOS notebooks but also in R notebooks in the jupyterlab.

Thanks!