centos 7 emacs lambda quoting?

[robnagler]

b-python.el: Warning: (lambda nil \.\.\.) quoted with ' rather than with #'
b-perl.el: Warning: (lambda nil \.\.\.) quoted with ' rather than with #'
b-perl.el: Warning: ‘case’ is an obsolete alias (as of 27.1); use ‘cl-case’ instead.
markdown-mode.el: Warning: ‘decf’ is an obsolete alias (as of 27.1); use ‘cl-decf’ instead.
markdown-mode.el: Warning: ‘incf’ is an obsolete alias (as of 27.1); use ‘cl-incf’ instead. [2 times]
markdown-mode.el: Warning: ‘multiple-value-bind’ is an obsolete alias (as of 27.1); use ‘cl-multiple-value-bind’ instead.
mmm-vars.el: Warning: ‘destructuring-bind’ is an obsolete alias (as of 27.1); use ‘cl-destructuring-bind’ instead.
mmm-region.el: Warning: ‘case’ is an obsolete alias (as of 27.1); use ‘cl-case’ instead. [3 times]
mmm-region.el: Warning: ‘destructuring-bind’ is an obsolete alias (as of 27.1); use ‘cl-destructuring-bind’ instead.
mmm-class.el: Warning: ‘loop’ is an obsolete alias (as of 27.1); use ‘cl-loop’ instead.
mmm-class.el: Warning: ‘return-from’ is an obsolete alias (as of 27.1); use ‘cl-return-from’ instead.
mmm-class.el: Warning: ‘loop’ is an obsolete alias (as of 27.1); use ‘cl-loop’ instead.
bivio-init.el: Warning: (lambda nil \.\.\.) quoted with ' rather than with #'

[e-carlin]

I haven't seen this before. It doesn't happen for me on centos 7. Is this using emacs 28 as well?

[robnagler]

Yes, this appears to be a emacs 28 issue as well.