If I set payment slip to open in the same window, the 'Print' button in the subsequent pop-up window is not working. Instead, it reloads the payment slip page in that window.

Steps:
1) Gateways > Offline - Set "Payment slip opens in" to "Stays in the same window within the site"
2) Set "Payment slip within same window has PRINT button" to "PRINT button to open pop-up window"
3) Register from frontend, select offline payment
4) Click the link "Click here to confirm that you are paying off-line and to display the Payment slip to print"
5) Payment slip is displayed in the main window with the 'PRINT' button
6) Click the 'PRINT' button, a pop-up window opens displaying the same payment slip
7) Click the 'PRINT' button in the pop-up window, the window reloads to the same payment slip and no print dialog open.

The 'PRINT' button in the pop-up window works if "Payment slip opens in" is set to "Pop-up window with PRINT and CLOSE buttons".

Also, is there any way to send the payment slip number via email?

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Joomla 1.5.26
CB 1.8.1
CBSubs 2.0.2

krileon wrote: Was able to confirm and have created bug ticket #3653. Reason it does this is same HTML is basically used for both displays resulting in both print links going to the same place.

Thanks Kyle! Yeah, I checked the source HTML and they are both the same.

I don't think so. Believe that's just order id or invoice id, but don't see a substitution for either for the Presentation emails within plans configuration. It maybe possible using the CBSubs Mailer plugin however.

I checked CBSubs Mailer for both basket reference dates (unpaid/paid) and there's no order ID too. Would be helpful if this can be included in future release