Tim,
Thank for the report, and the digging for ob-langs that might be
affected. The underlying issue is that prologue and epilogue are part
of both the user facing parts of org babel as well as the internal
language implementation facing code. This is a fundamental design flaw
in org babel
With Emacs 27.1/org-mode 9.3, "(org) Environment of a Code
Block" ends with:
| Inserting headers and footers
| -
| The ‘prologue’ header argument is for appending to the top of the code
| block for execution, like a reset instruction. For example, you may use
|
