input: Topics will be free software in general and Debian in special How to manage free software projects how to get involved in Debian and similar
fixed: Topics will be free software in general and Debian in special: How to manage free software projects, how to get involved in Debian and similar.

input: It was a black eye on the opening match of what is sure to be a great tournament and FIFA should hopefully be cracking down more on referees after this shameful display
fixed: It was a black eye on the opening match of what is sure to be a great tournament, and FIFA should hopefully be cracking down more on referees after this shameful display."

input: The most obvious reason is that being silver in colour it is neutral
fixed: The most obvious reason is that being silver in colour it is neutral.

input: This year our definition therefore marks May 19 as the melting season onset
fixed:
This year, our definition therefore marks May 19 as the melting season onset.