The Algol compiler used at Case Institute of Technology, after finding
25 errors in the source (e.g., like you spelled BEGIN as BEGNI), would
print
"At this point, we suggest you try re-reading the manual."
Related:
grep /grep/ vi.
[from the qed/ed editor idiom g/re/p
where re stands for a regular expression, to Globally search
for the Regular Expression and Print the lines containing matches
to it, via Unix grep(1)] To rapidly scan a file or set
of files looking for a particular string or pattern (when browsing
through a large set of files, one may speak of `grepping
around')....
grep: /grep/ [from the qed/ed editor idiom g/re/p where
re stands for a regular expression, to Globally search for the
Regular Expression and Print the lines containing matches to it,
via {{UNIX}} `grep(1)'] vt....