Improve the quality of isspace() to match expectations.  This should make the Ficl interpreter read its softwords array OK.
Improve the quality of isspace() to match expectations.  This should make
the Ficl interpreter read its softwords array OK.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase