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Tried following
write "wprint <meta http-equiv='refresh' content='\n wprint htmlvar(rfh)\n wprint 'rfh' >" s1
read s1 s2
serialprintln s2
end

RESULT -----
wprint <meta http-equiv='refresh' content='An wprint htmlvar(rfh)An wprint 'rfh' >

Done...

The \n becoming An Is there a better way ?
Also might be worth using write |~~~~~|

Would like to use while-wend or for-next to get wprint cmd from flash then issue it.

Each wprint command adds text to a buffer stored in ram. There is currently no flash catching as this would make implementing the dynamic replacement of variables and gui widgets more difficult.

Flash memory also has a limited amount of wrights and this would fatigue it over time.