Stephen Eglen comments

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                                            Stephen Eglen

bit twiddling hacks

in the same vein, https://www.youtube.com/watch?v=p8u_k2LIZyo for the infamous 'Quake' algorithm for inverse square root.

Check out cocalc support

https://juliacomputing.com/products/juliahub/ might work, although that looks more like something for runnign jobs at "scale" rather than teaching

Check if buffer-invisibility-spec is equal t before checking member

thanks for the PR. I came to a similar conclusion in #8

Check if buffer-invisibility-spec is equal t before checking member

No, doesn't seem to be.

hide-lines-matching fails for emacs 27.1

I got the same problem with Emacs 29 pretest. My fix was to change the following defun slightly ``` (defun hide-lines-add-overlay (start end) "Add an overlay from `START' to `END'...

hide-lines-matching fails for emacs 27.1

thanks. A PR is a pull-request to fix the code, and someone else I see already fixed it before I did. See https://github.com/vapniks/hide-lines/pull/7

Re-licensing rmarkdown as MIT

I agree

Rendering of https://cran.r-project.org/web/packages/zen4R/vignettes/zen4R.html

I also have a few short suggestions for the document; should I send a PR to the underlying source file that makes the user manual, or outline them here?