Added public files
Roughly added all public files. Probably missed some, though.
diff --git a/doc/LPC/ed3 b/doc/LPC/ed3
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--- /dev/null
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+NAME
+ ed3
+
+DESCRIPTION
+ Searching is done with:
+ /hello/
+ Find first line in of after current line.
+ Just // will repeat the search.
+
+ The patterns are regular expressions, where some characters
+ have a special meaning:
+ . Match any character.
+ x* Match any numbers of x (0 or more).
+ [abc] Match 'a', 'b' or 'c'.
+ [0-9] Match any digit 0 - 9.
+ [a-z] Match any lowercase letter.
+ \x Match 'x' where 'x' can be any character except '('
+ and ')'.
+
+EXAMPLE
+ s/ab.d/ABCD/
+ Substitute any string 'abXd' against 'ABCD' where X can be any
+ character.
+
+NOTE
+ This only half the truth, there is lots more magic in the
+ regexps.
+
+SEE ALSO
+ regexp(E), ed4(LPC)