Insert one space after all punctuation
In your high school typing class you learned to insert two spaces after each period, semicolon, question mark, etc. Since typewriters are monospaced (meaning each letter is the same width), that extra space improved readability. Professional fonts with proportional letter widths need only a single space.
Punctuation
Alignment
Paragraphs
Dashes
Quotes & Apostrophes
Caps
Underlined
Line Width
Justified vs. Ragged Right
Flush Left & Centered
