Weird symbols when trying to add printer

[r3n3647]

Describe the bug If you try to add a printer in CUPS web interface using the administration tab -> add printer you will get only some weird symbols (empty squares, white question-marks in black rhombus, underlines...) in step 2/5 in 'connection' field instead of some existing printer or some useful URI.

To Reproduce Steps to reproduce the behavior:

1. Go to CUPS web interface -> administration tab -> add printer -> step 2/5
2. it does make no difference if there is a printer connected to server or not
3. see garbage in 'connection'

Expected behavior If there is a printer connected to the server the field 'connection' should show its URI - not some weird mojibake.

System Information:

• ArchLinux 6.10.10-arch1-1 x86_64 GNU/Linux
• any Browser
• CUPS version 2.4.10

Additional context Any additional information which are relevant to the issue.

[zdohnal]

Fixed by https://github.com/OpenPrinting/cups/commit/eb34f2698 and https://github.com/OpenPrinting/cups/commit/21a392d87 .