Worrying about trivialities like this is what LaTeX is for ;)
You still need to pay attention to this using LaTeX -- LaTeX will (usually) insert a wider-than-normal space after a period, which isn't always correct (e.g., "Mrs.", "etc.", and so forth). You can avoid this using "~".
You still need to pay attention to this using LaTeX -- LaTeX will (usually) insert a wider-than-normal space after a period, which isn't always correct (e.g., "Mrs.", "etc.", and so forth). You can avoid this using "~".