Put in WARNINGS that the lessons are not up-to-date, plus

references to newer technology in a few lessons.

7 files changed, 30 insertions, 6 deletions

diff --git a/usr.bin/learn/lib/C/L0.1a b/usr.bin/learn/lib/C/L0.1a
index 6082ae50f2d..fc11c29ce9c 100644
--- a/usr.bin/learn/lib/C/L0.1a
+++ b/usr.bin/learn/lib/C/L0.1a
@@ -1,4 +1,8 @@
 #print
+WARNING: This course was written for C as it was in 1979, not 1999,
+and has not yet been updated. Some details may be way out of date!
+In particular, there is not yet any updating for ANSI C.
+
 This script is loosely based on the material in
 "The C Programming Language", by Brian Kernighan
 and Dennis Ritchie (Prentice-Hall, 1978).
diff --git a/usr.bin/learn/lib/editor/L1.1a b/usr.bin/learn/lib/editor/L1.1a
index d822fb3d65b..0af0a2aaba8 100644
--- a/usr.bin/learn/lib/editor/L1.1a
+++ b/usr.bin/learn/lib/editor/L1.1a
@@ -1,7 +1,11 @@
 #print
-This program will try to help you learn how to use the editor.
-You should really know, before starting this, how to use files
-and how to type.
+WARNING: This course was written for UNIX in 1979, not 1999,
+and has not yet been updated. Some details may be way out of date!
+
+This course will try to help you learn how to use the line editor, ed.
+If you already know how to use a screen editor such as vi or emacs,
+you may wish to skip this course entirely.  You should really know,
+before starting this course, how to use files and how to type.
 There is a "learn files" procedure to teach you about files.
 Just to review, the current directory contains some files
 whose name begins with "do"; they describe something you should do.
diff --git a/usr.bin/learn/lib/eqn/L0.1a b/usr.bin/learn/lib/eqn/L0.1a
index 357826f78c3..865a9bafd7f 100644
--- a/usr.bin/learn/lib/eqn/L0.1a
+++ b/usr.bin/learn/lib/eqn/L0.1a
@@ -4,6 +4,10 @@ delim $$
 .EN
 .pl 1
 .ll 55
+WARNING: This course was written for UNIX in 1979, not 1999,
+and has not yet been updated. Some details may be way out of date!
+This course in particular may not work well on modern terminals/xterms!
+
 This script is designed to teach you the "eqn" language
 for typing mathematics. 
 There are two versions of the program. "eqn" is for
diff --git a/usr.bin/learn/lib/files/L0.1a b/usr.bin/learn/lib/files/L0.1a
index 98a9b33394f..604931d8ecb 100644
--- a/usr.bin/learn/lib/files/L0.1a
+++ b/usr.bin/learn/lib/files/L0.1a
@@ -1,5 +1,8 @@
 $ more L0.1a
 #print
+WARNING: This course was written for UNIX in 1979, not 1999,
+and has not yet been fully updated. Some details may be way out of date!
+
 This course will help you learn about basic file
 handling commands.  You should first understand
 the special characters ERASE and KILL: 
diff --git a/usr.bin/learn/lib/macros/L1.1a b/usr.bin/learn/lib/macros/L1.1a
index 905c08caac2..b8a10a09ab2 100644
--- a/usr.bin/learn/lib/macros/L1.1a
+++ b/usr.bin/learn/lib/macros/L1.1a
@@ -1,4 +1,9 @@
 #print
+WARNING: This course was written for UNIX in 1979, not 1999,
+and has not yet been updated. Some details may be way out of date!
+In particular, Berkeley UNIX includes the -me macros, which are
+preferred over -ms, but we don't yet have a course on the -me macros.
+
 This script deals with the use of the "-ms" macro
 package to produce Bell Laboratories style documents.
 Before trying it, you should be familiar with the
diff --git a/usr.bin/learn/lib/morefiles/L0.1a b/usr.bin/learn/lib/morefiles/L0.1a
index 1f603be6b9e..70e81e74f1e 100644
--- a/usr.bin/learn/lib/morefiles/L0.1a
+++ b/usr.bin/learn/lib/morefiles/L0.1a
@@ -1,4 +1,7 @@
 #print
+WARNING: This course was written for UNIX in 1979, not 1999,
+and has not yet been updated. Some details may be way out of date!
+
 In the basic files course you learned about the "ls" command
 for listing the names of files in the current directory.
 You will now learn some of the extra abilities of "ls".
diff --git a/usr.bin/learn/lib/morefiles/L1.1a b/usr.bin/learn/lib/morefiles/L1.1a
index 83d452f2e01..6bdc233ed69 100644
--- a/usr.bin/learn/lib/morefiles/L1.1a
+++ b/usr.bin/learn/lib/morefiles/L1.1a
@@ -16,10 +16,11 @@ Spell may also output a number of words
 that aren't mistakes; you may have to select real errors
 from the false ones.
 
-By the way, spell takes a minute to run;
-go get a cup of coffee or something while you wait.
+By the way, an alternative is ispell, which you'll find in the
+Ports Tree on OpenBSD. Ispell gives the words one at a time and
+presents alternatives.
 #create memo1
-(This comes from a federalist paper by alexander hamilton.)
+(This comes from a federalist paper by Alexander Hamilton.)
    It has been mentioned as one of the advantages to be expected
 from the cooperation of the Senate, in the business
 of appointments, that it would contribute to the