Robert Elz said:

>ed isn't "user friendly" for beginners, and isn't at all like any kind of
>editor most people use these days - but it is actually very powerful for
>quite a small editor.   Don't compare it against your average "tiny editor"
>that someone created - ed isn't that.   It was the editor used to write
>all the code for unix for a long time - that couldn't be done if ed wasn't
>relatively powerful.

In the SVR4 sources, AT&T made liberal use of ed as a means of patching
source files at compile time. They did this by stuffing the source patches
and the ed macros into the Makefiles.

Ugly and clever at the same time. :-)
-- 
Rick Kelly  rmk@rmkhome.com  www.rmkhome.com