ROUTINE
-------

void ug_parse_text_string
 (INT_ prefix_length,
  char *text_string)

DESCRIPTION
-----------

Write input string to standard output using one or more lines of the default
max line length (80) or less. If a ";" is found as a word then that is
considered a flag to start a new line. If a "^" is found then that is
considered a flag to begin indenting lines 3 spaces. For each line parse all
words in text string using spaces or tabs to identify separate words. All 
lines are indented prefix_length spaces.

INPUT ARGUMENTS
---------------

prefix_length   : Length of prefix.
text_string     : Text string.
