Assign in Unicode system

Hi All,
I have a peice of code in 46C which works fine
   data: xml_line     type tbl256,
"tbl256 has   component 'line' of data type raw and lenght 256
         xml_size type i value 100. "first 100 bytes of xml_line-line is valid data
   field-symbols: <f1>.
   assign xml_line1-line+0(xml_size) to <f1>.
   xml_line1-line = <f1>.
In 46C system,
after the assign statement above, <f1> is of type CHAR and the assignment xml_line1-line = <f1>. causes the string to be assigned to xml_line1-line with spaces after xml_size ( a value of 20 is shown in the debugger)
In 472 system,
after the assign statement, <f1> is of type HEX
and teh assignment xml_line1-line = <f1>. causes the string to be assigned to xml_line1-line with zeros after xml_size ( # is shown in the debugger)
how can i make this peice of code work in unicode 472 system?
Thanks a lot for any pointers/advices and i promise i will reward the answer!!

Thanks Nishant Senthil and Sid.
I tried changing the feild symbol to type c.
field-symbols: <f1> type c.
The system dumps with 'ASSIGN_TYPE_CONFLICT'
I tried casting with the assign.
assign xml_line1-line+0(xml_size) to <f1> casting.
Cannot do casting without type since <f1> is generic so did a casting with type c instead.
assign xml_line1-line+0(xml_size) to <f1> casting type c.
This statement gets <f1> to be of type c.
However the statement
xml_line1-line = <f1>.
does not work and strangely sets all bytes of xml_line-line to initial values(zeros). the content being pointed by <f1> is not moved to xml_line1-line.

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https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/d37d1ad9-0b01-0010-ed9f-bc3222312dd8
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/589d18d9-0b01-0010-ac8a-8a22852061a2
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FUGS Function group (with customer include, SAP area)
LDBA Logical Database
CNTX Context
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INTF Interface
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> I am not posting the question in the same group. I am posting in different groups due the confusion of in which group to post > > and of course to get faster response. All people cant check all the groups to answer. Moreover I am not keeping the questions > open. As soon as I get the answer I am proving the answer in every group and immediately closing the question.
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