Certain GINOGRAF routines, when outputting values, allow prefix and suffix strings to be output positioned in front of and after the values. The routine ggSetValueTags() allows the strings to be set up before use.
Where strings can be output with the value, the form of the value's output is set using ggSetAxesAnnotation(); outputting prefix and suffix strings does not change these settings.
Where no string is required for one of the parameters a blank string or the GINO string terminator should be used "*.".