convert INABIAF headers in README.md to a Jargon File quote

We introduce a bit of fun, while specifying that something
is "supposed to happen".

NOTE: There is no need to change the INABIAF STATUS.  The use
there is perfectly fine.

2001/anonymous/README.md

@@ -58,9 +58,6 @@ What happens if you try it on another file like [anonymous.c](anonymous.c)? Can
 you recompile it okay? What if you run it on `anonymous` itself? Can you run the
 program successfully after it without recompiling?
 
-
-### INABIAF - it's not a bug it's a feature! :-)
-
 If you do not specify a 32-bit ELF binary as the arg of this program it will
 very likely crash or do something terribly wrong like slaughtering all the
 [elves](https://www.glyphweb.com/arda/e/elves.html) of
@@ -70,6 +67,14 @@ that :-(
 If the program cannot be run (for instance under macOS as an ELF file) then
 the program will fail to execute it and might not even touch it.
 
+This is supposed to happen.  As is written in the
+[The Jargon File](http://catb.org/jargon/html/F/feature.html):
+
+```
+That's not a bug, that's a feature.
+```
+
+
 ### A 2023 note about the warning from the author:
 
 The author suggested that this *might* somewhat destroy the binaries this

2001/dgbeards/README.md

@@ -44,10 +44,15 @@ make alt
 Use `dgbeards.alt` as you would `dgbeards` above. Can you find a flaw in this
 version that the author did not note?
 
-## INABIAF - it's not a bug it's a feature! :-)
-
 This game crashes if it loses.
 
+This is supposed to happen.  As is written in the
+[The Jargon File](http://catb.org/jargon/html/F/feature.html):
+
+```
+That's not a bug, that's a feature.
+```
+
 
 ### Try:
 

2001/ollinger/README.md

@@ -29,10 +29,15 @@ For more detailed information see [2001 ollinger in bugs.md](/bugs.md#2001-ollin
 ./ollinger integer
 ```
 
-### INABIAF - it's not a bug it's a feature! :-)
-
 This program will very likely crash or do something else without an arg.
 
+This is supposed to happen.  As is written in the
+[The Jargon File](http://catb.org/jargon/html/F/feature.html):
+
+```
+That's not a bug, that's a feature.
+```
+
 
 ### Try:
 

2001/schweikh/README.md

@@ -29,8 +29,6 @@ For more detailed information see [2001 schweikh in bugs.md](/bugs.md#2001-schwe
 ./schweikh string string2
 ```
 
-### INABIAF - it's not a bug it's a feature! :-)
-
 This program will very likely crash or do something else if you do not give it
 two args.
 
@@ -39,6 +37,13 @@ comments for details and a workaround.
 
 There's also no way to escape meta characters.
 
+This is supposed to happen.  As is written in the
+[The Jargon File](http://catb.org/jargon/html/F/feature.html):
+
+```
+That's not a bug, that's a feature.
+```
+
 
 ### Try: