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4	4
5	5	== Syntax : ==
6	6
7		-* **${ixf:sum(xpathExp1, xpathExp2)}** calculates the sum of the results obtained from evaluating "xpathExp1" and "xpathExp2".
8		-* **${ixf:sum(xpathExp,"10")}** the result will be the sum of the result obtained from evaluating "xpathExp" and 10.
9		-* **${ixf:sum("10","12","100")}**  the result will be 122, which is the sum of the individual results of 10, 12, and 100.
	7	+* ${ixf:sum(xpathExp1, xpathExp2)} calculates the sum of the results obtained from evaluating "xpathExp1" and "xpathExp2".
	8	+* ${ixf:sum(xpathExp,"10")} the result will be the sum of the result obtained from evaluating "xpathExp" and 10.
	9	+* ${ixf:sum("10","12","100")}  the result will be 122, which is the sum of the individual results of "10", "12", and "100".
10	10
11		-Ensure that numerical values are between double quotes : ${ixf:sum("10","12","100")},
	11	+== Note: ==
12	12
13		-while xpath expressions should remain without any quote enclosures.
	13	+Ensure that numerical values are between:
14	14
	15	+* Double quotes : ${ixf:sum("10","12","100")}
	16	+* Single quotes : ${ixf:sum('10','12','100')}
	17	+* Mixing both quotes : ${ixf:sum("10",'12','100')}
15	15
16		-== Example : ==
	19	+while xpath expressions should remain without any quote enclosures.
17	17
18		-* **${ixf:sum(Documents/Order/DeliveryAddress/OrderLine/Price,"10"}**
19		-
20		-Let's suppose that the result of //Documents/Order/DeliveryAddress/OrderLine/Price// is 30, so the sum is 40.
21		-
22		-== Note: ==
23		-
24		-Numerical values can be also enclosed within single quotes : ${ixf:sum('10','12','100')} **OR **mix single and double quotes, like this: ${ixf:sum("10",'12','100')}.
25		-
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