Fix tmp/format-headers.sh, format headers

The script had "s surrounding the git ls-files command which turned it
to a single file which of course is wrong.

Ran script again fixing many README.md files that had incorrect number
of blank lines for critical headers.

This will have to be done a final but a good number of files have been
corrected.

1998/banks/README.md

@@ -69,7 +69,7 @@ See the author's remarks in [scenery](#scenery) for more details on the scenery
 files.
 
 
-## Try:
+### Try:
 
 For a fun time after running the above command, hold down the up arrow and left
 arrow for about 10 seconds and see what happens. Or, if you wish to really use
@@ -112,7 +112,6 @@ this alt code can be seen as an alternative for those who don't have or don't
 want to use page up and page down.
 
 
-
 ### Alternate use:
 
 Use `banks.alt` as you would `banks` but for use the different keys as

1998/bas2/README.md

@@ -13,7 +13,7 @@ echo text | ./bas2
 ```
 
 
-## Try:
+### Try:
 
 ```sh
 ./try.sh
@@ -24,7 +24,6 @@ echo text | ./bas2
 
 ## Judges' remarks:
 
-
 ### Questions to ponder:
 
 Can you determine the relationship between the input and the resulting numeric

1998/dlowe/README.md

@@ -58,7 +58,6 @@ make alt
 
 ### Alternate use:
 
-
 ```
 ./dlowe.alt < anyfile > pootfile
 ```

1998/dloweneil/README.md

@@ -50,6 +50,7 @@ clockwise `l` does as well. Instead of using `d` to drop the letter you can do
 make alt
 ```
 
+
 ### Alternate use:
 
 ```sh

1998/fanf/README.md

@@ -26,7 +26,6 @@ Enter an expression on standard input.  To try some we have selected:
 
 ## Judges' remarks:
 
-
 ### Historical aside:
 
 At a time the code in [fanf.c](fanf.c) was that of [fanf.orig.c](fanf.orig.c)

1998/schweikh1/README.md

@@ -30,7 +30,6 @@ if you don't have a Mac as it has some interesting details about the entry.
 
 ### Alternate build:
 
-
 ```sh
 make alt
 ```
@@ -40,6 +39,7 @@ make alt
 
 Use `schweikh1.alt` as you would `schweikh1` above.
 
+
 ### Alternate try:
 
 Bonus exercise: modify the code to provide a different compiler.

1998/schweikh2/README.md

@@ -137,7 +137,6 @@ and now it works with both clang and gcc.
 
 ## Author's remarks:
 
-
 ### What this program does
 
 My entry is a `yarng`, which stands for, you guessed it, yet another

1998/tomtorfs/README.md

@@ -22,6 +22,7 @@ init      : initial value for the CRC (hexadecimal)
 xor       : value to xor the final CRC with (hexadecimal)
 ```
 
+
 ### Try:
 
 ```sh