Simple transformation dropping trailing zero.

Question

Hi experts.
I am having a problem with my transformation file, and I was hoping someone could help me.
I have created a simple transformation file, with a variable using the type of "DMBTR" which Does have 2 decimal points.
IF I have data - the two decimal points print.
EG if the amount is 100.57..    I get the 100.57 to print which is what I need and expect.
BUT.
IF the amount is 100.50    I am getting 100.5    Is is dropping the final zero amount, and therefore is failing in the validation.
HOW can I FORCE the two decimal points to print?
I have even tried it where I declare it as a variable of type "I" with 2 decimal points, and it still does not work.
I can not figure out how to use the Number format   option with a Value-ref print line.
If someone could help me with that.. I could try that to see if it worked.
thank you.
eg: of the way the data is declared:
  <tt:type name="GRTOT14" type="I" length="13" decimals="2"/>
OR
  <tt:type name="GRTOT16" type="ddic:DMBTR"/>
  <tt:type name="GRTOT17" type="ddic:DMBTR"/>
eg: of the way I am using it where I am getting only one decimal place if the 2nd decimal place is ZERO
             <tot_grnt_sbsdy_amt tt:value-ref=".GRTOT14"/>
               <tot_insu_prcd_amt tt:value-ref=".GRTOT16"/>
              <tot_opay_rcap_amt tt:value-ref=".GRTOT17"/>
PLEASE HELP.
thank you.

Answer 1

From what I understand about XML (could be more), the canonical representation of decimal values does not allow a fixed number of decimal places.
SAP documentation:
http://help.sap.com/saphelp_nw04/helpdata/en/52/491a40251e2402e10000000a1550b0/frameset.htm
from there, this XML documentation is referenced:
http://www.w3.org/TR/xmlschema-2/#decimal
important bit:
Leading and trailing zeroes are prohibited subject to the following: there must be at least one digit to the right and to the left of the decimal point which may be a zero.
You already discarded my workaround: using a character or string type field and fill it to your liking prior to serialisation.
Thomas