* lisp/progmodes/cperl-mode.el (cperl-style-alist): Add
cperl-close-paren-offset to the settings for PBP style.
* test/lisp/progmodes/cperl-mode-tests.el (cperl-bug19709):
New test to verify correct indentation of closing parentheses (Bug#19709).
* test/lisp/progmodes/cperl-mode-resources/cperl-bug-19709.pl:
New test case with code from the bug report.
* test/lisp/progmodes/cperl-mode-resources/cperl-indent-styles.pl:
Add a new test clause for cperl-close-paren-offset.
* lisp/progmodes/cperl-mode.el (cperl-style-alist)
(cperl-set-style): Add indentation style recommended by Damian Conway's
book "Perl Best Practices".
* test/lisp/progmodes/cperl-mode-tests.el
(cperl-mode-test-indent-styles): Add a test to verify indentation
and unraveling of conditionals (bug#43457).