Transform an integer value to a repeated character

Question

When my XSL stylesheets encounters this node:

...it should transform it into this node:

Answer 1

Adding to the two nice answers of @AakashM and @Tomalak, this is done naturally in XSLT 2.0:

This XSLT 2.0 transformation:

when applied on the provided XML document:

produces the wanted result:

Do note how the XPath 2.0 to operator is used in the instruction.