On Wed, 09 Jan 2019 11:20:28 -0500 Clem Cole <clemc@ccc.com> wrote:
>
> Ditto, (actually I have three -- two copies of the new one to show some of
> the younger engineers at work). Having the text is wonderful, but it does
> seems like a heretical act to be grepping through sources as Tex files;
> when the original was in roff.

From the preface:
  The co-operation of the ``nroff'' program
  must also be mentioned. Without it,
  these notes could never have been produced in this form. However it has
  yielded some of its more enigmatic
  secrets so reluctantly, that the
  author's gratitude is indeed mixed.

:-)

At any rate use of the CM fonts is a bit jarring.

Everyone who downloaded these sources for grepping has bought
a paper copy of the Lions book, right?