Restore traditional behaviour by allowing tabs in strings.  In deference to the new age of internationalisation, I used isblank() instead of a literal '\t'.
Restore traditional behaviour by allowing tabs in strings.  In deference
to the new age of internationalisation, I used isblank() instead of a
literal '\t'.

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