29 Apr
2020
29 Apr
'20
9:22 a.m.
On Tue, 28 Apr 2020 09:04:47 +0000, Warren Boyd wrote:
Two spaces in a formal document, letter, novel. It helps with readability, even with proportional fonts.
Professional-quality typesetting includes different-width spaces, including an en-space and an em-space. The em-space, the slightly longer one, is commonly used after a full stop. It is not twice as wide as an en-space.