Adding comment quotes so that Emacs syntax highlighting works

[rtmclay]

Hi Xavier. I am trying to understand how you implement module-hide. As an Emacs user, the code highlighting sometimes get confused. If I add a # and a double quote on certain lines, it clears up the syntax highlighting. I checked to see if your .emacs tcl-mode-hook fixed the issue and it does not. Best, Robert.

[xdelaruelle]

Hi Robert, I am adding a second commit to try an alternative approach as your suggested change is not a valid Tcl code. If the CI tests succeed, could you please check that Emacs highlighting is ok with the proposed change.

To understand module-hide I also suggest you look at the corresponding design notes: https://modules.readthedocs.io/en/latest/design/hide-or-forbid-modulefile.html

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.63%. Comparing base (75ecbe1) to head (4dd810e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #533      +/-   ##
==========================================
+ Coverage   99.39%   99.63%   +0.23%     
==========================================
  Files          15       15              
  Lines        5451     5430      -21     
==========================================
- Hits         5418     5410       -8     
+ Misses         33       20      -13     

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[rtmclay]

Your changes work well for me and Emacs. Thanks very much for this change and the link to your documentation. Feel free to close this PR. I'm happy.