hyphen-hyphenation-patterns-sv software package provides virtual package provided by hyphen-sv, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hyphen-hyphenation-patterns-sv
hyphen-hyphenation-patterns-sv is installed in your system.
Make ensure the hyphen-hyphenation-patterns-sv package were installed using the commands given below,
$ sudo dpkg-query -l | grep hyphen-hyphenation-patterns-sv*
You will get with hyphen-hyphenation-patterns-sv package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Virtual packages |
| Package | hyphen-hyphenation-patterns-sv |
| Version | |
| Description | virtual package provided by hyphen-sv |
| Sub Section | Virtual |