pointer to a string and then an integer. Finally, we have the string itself,
with a null terminator at the end.
-It is time to call `printf and then exit.
+It is time to call `printf` and then exit.
NSTTSSSN | JSR > 1000 (printf)
NNN | Terminate program
-Do not forget to include the library files for any subroutines called.
+Do not forget to include the library files for any subroutines called. These
+must be placed outside the path of normal execution flow. The end of the file
+is usually suitable.
#include <stdio.pvvs>
#include <string.pvvs>
#include <convert.pvvs>
-The file `hello.pvvs` contains the program discussed and may be executed with a
-`make run` in this directory.
+That's the whole program. The file `hello.pvvs` contains an uncommented version
+of this exact source code and may be executed with a `make run` in this
+directory.