An example:
(match-record obj <my-type>
(field1 (field2 custom-var-name) field3)
...)
* guix/records.scm (match-record-inner): Add support for the new syntax.
* tests/records.scm ("match-record, simple"): Add a simple test case for the
new syntax.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>