| ⇢ | A | pdftk added | |
| ⇢ | A | pinp_pdftk added |
| ⇢ | B | pdftk::background() added | |
| ⇢ | B | pdftk::concat() added | |
| ⇢ | B | pdftk::pages() added | |
| ⇢ | A | pdftk::__construct() added | |
| ⇢ | A | pinp_pdftk::__construct() added | |
| ⇢ | A | pinp_pdftk::_concat() added | |
| ⇢ | A | pinp_pdftk::_background() added | |
| ⇢ | A | pinp_pdftk::_pages() added | |
| ⇢ | A | pinp_pdftk::_get() added |