Bug 22566: Fix some more issues

Bug 22566: Fix some more issues

1) Fix warning for undefined value in sprintf when no items have the
indemand flag set.
2) Corrections to report_full for bad ternary in string construction
3) Perldoc corrections

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit 4f3413f0d2688017f6a35b43d0d1d4a9d7295c5a)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>