Update some of the 2000 README.md files

I am aware of some entries that do not compile that I haven't even
thought about fixing yet.

I also need to use my linux box to test the X11 entries (this goes for
other years as well) but that'll come at another time as I rarely am at
sitting at that computer. But the README.md files should be in a better
state.

2000/anderson/README.md

@@ -12,10 +12,13 @@ Indonesia
 make
 ```
 
+NOTE: this entry uses `gets()` so you will likely get a warning when compiling
+and/or executing this program.
+
 ### To run:
 
 ```sh
-echo something | ./prog
+echo something | ./anderson
 ```
 
 ### Try:

2000/bellard/README.md

@@ -16,7 +16,7 @@ make
 ### To run:
 
 ```sh
-./prog
+./bellard
 ```
 
 ### Try:

2000/dhyang/README.md

@@ -50,7 +50,7 @@ study it, but the layout itself is where most of the interest lies.
 
 ## Author's comments:
 
-This one is dedicated to Saitou Hajime fans ^_^x
+This one is dedicated to Saitou Hajime fans `^_^x`
 
 Instead of making one self reproducing program, what I made was a
 program that generates a set of mutually reproducing programs, all of

2000/dlowe/README.md

@@ -37,13 +37,13 @@ When this entry was submitted the rules of the IOCCC did not prohibit
 the use of embedded language interpreters.  The judges considered
 disqualifying this entry because of the use of perl, but on the other
 hand it qualifies as the Worst Abuse of the Rules.  As a previous winner
-(*) David Lowe continues to inflict the highest quality "poot" on the
+* David Lowe continues to inflict the highest quality "poot" on the
 Judges.
 
 The program also contains an undocumented command for Chad and Chongo.
 The judges' comments contain a clue to the hidden command :-).
 
-(*) The IOCCC uses an anonymous judging process which keeps the identity
+* The IOCCC uses an anonymous judging process which keeps the identity
 of the submitters hidden until all the prize winners have been selected.
 
 ## Author's comments:

2000/jarijyrki/README.md

@@ -19,6 +19,7 @@ http://personal.eunet.fi/pp/halo/
 ```sh
 make
 ```
+
 You will need X11 header files and libraries installed to build this program.
 
 ### To run: