Problem: Add spaces: Thecoredifferenceisthatitisavailableontheadd-onrepository,whichmeansthatithasbeentriedandtestedbyMozilla.

Spaces added: The core difference is that it is available on the add-on repository, which means that it has been tried and tested by Mozilla.

Problem: Add spaces: Wecannotgooneducatingboysandgirlsinourpublicschoolsandthenrefusingthemtherighttoearnanhonestliving.

Spaces added: We cannot go on educating boys and girls in our public schools and then refusing them the right to earn an honest living.

Problem: Add spaces: Rittenhousehadsufferedpoorhealthduringmostofhislifeandhediedathome.

Spaces added: Rittenhouse had suffered poor health during most of his life and he died at home.

Problem: Add spaces: Duringthenightmainlycloudy,butmostlydryweatherwilldominate.Morningtemperatureswillbearound17C.Duringthedaytheywillreachamaximumof25C.Lowtemperaturesatnightwillbearound15C.Easterlywindsareweak.

Spaces added:
During the night mainly cloudy, but mostly dry weather will dominate. Morning temperatures will be around 17 C. During the day they will reach a maximum of 25 C. Low temperatures at night will be around 15C. Easterly winds are weak.