Here's an example:
* (let ((a 42))
#?"foo: \xC4\N{Latin capital letter U with diaeresis}\nbar: ${a}")
"foo: ÄÜ
bar: 42"
It was written by Edi Weitz and can be found at http://weitz.de/cl-interpol/.
CL-INTERPOL can also be used for HTML templating: http://paste.lisp.org/display/118522
Download ASDF package from http://weitz.de/files/cl-interpol.tar.gz
This page is linked from: Macro Characters
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