Controls output line length StcsLength
The number of characters in each string written out through the sink function will not usually be greater than the value of this attribute (but may be less). However, if any single word in the STC-S description exceeds the specified length, then the word will be written out as a single line.
Note, the default value of zero is unlikely to be appropriate when an StcsChan is used within Fortran code. In this case, StcsLength should usually be set to the size of the CHARACTER variable used to receive the text returned by AST_GETLINE within the sink function. In addition, the Indent attribute should be set non-zero. This avoids the possibility of long lines being truncated invisibly within AST_GETLINE.