Wrapping sentences for reading and printing
Some people don't change lines when they type e-mail. It's really hard to read. And it gives me a problem when I need to print them out. The lines are too long and it dosen't show whole sentenece unless I scroll.
Also I can't print whole sentences when I want to print them out.
It should wrap sentences automatically or letting us do so from setting. I think there used to be a setting like this long time ago. I need it back.

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Eric Beaudikofer commented
Yahoo needs to fix this ASAP; automatic word wrapping does not work on the emails I compose when looking back at them, making them hard to read; the sentences are also too long to print efficiently when printing an email with the Yahoo mail print button.