QUESTION: Fix punctuation: Ribe Vikingecenter Here history becomes reality and you are a part of it
ANS: Ribe Vikingecenter Here history becomes reality - and you are a part of it!

QUESTION: Fix punctuation: The popularity of Napoleon III the French emperor had declined and he decided that a war with Prussia might change his political fortunes
ANS: The popularity of Napoleon III, the French emperor, had declined and he decided that a war with Prussia might change his political fortunes.

QUESTION: Fix punctuation: Mixxx is a software for mixing music has everything you need to start making DJ mixes Whether youre DJing your next house party spinning at a club or broadcasting as a radio DJ Mixxx has what you need to do it right BPM Detection and Sync instantly sync the tempo of two songs for seamless beatmixing
ANS: Mixxx is a software for mixing music has everything you need to start making DJ mixes. Whether you're DJing your next house party, spinning at a club, or broadcasting as a radio DJ, Mixxx has what you need to do it right. BPM Detection and Sync, instantly sync the tempo of two songs for seamless beatmixing.

QUESTION: Fix punctuation: We recommend that you upgrade your eglibc packages
ANS:
We recommend that you upgrade your eglibc packages.