Em Space

Blank area that separates words sentences syllables or other written or printed glyphs.
Em space. Mutton space em em space. Spaces with the em dash. Therefore this unit is the same for all typefaces at a given point size. Traditionally for a font that uses the latin alphabet an em space is approximately the width of a capital letter m.
In modern digital typography which attempts to standardize measurements for multiple languages and alphabets an em space is usually smaller than a capital m. While some places on the space station are as loud as a lawn mower others are as quiet as the vacuum of space. An em is a unit in the field of typography equal to the currently specified point size. An em space is a typographical space measuring one em in width.
Most newspapers however set the em dash off with a single space on each side. The em dash and em space are each one em wide. For example one em in a 16 point typeface is 16 points. Zero width non joiner.
U 0020 space html note. The em quad and the em space are usually synonymous as they both start as a space with a width of 1 em. However in electronic publishing a few contrast the two by holding that if the font is condensed or expanded to alter the width of the characters the em quad remains 1 em in width while the em space is altered in width to the same proportion as the printing characters. It stirs the air allowing the purification system to scrub and clean our atmosphere so it s breathable.
Representations here of a regular space are replaced with a no break space see also. The one quarter em space is just as described 1 4 the width of an em space. The name em was originally a reference to the width of the capital m in the typeface and size being used which. Typographic measurements using this unit are frequently expressed in decimal notation or as fractions of 100 or 1000.
Separator space zs combine. The environmental inputs on the space station consist mostly of the constant hum of the ventilation system. Whitespace ws decomposition compat space u 0020 mirror. Zero width space 8204.
Most newspapers and all that follow ap style insert a space before and after the em dash. Em space plural em spaces a space which has a nominal width of 1 em. The em dash is typically used without spaces on either side and that is the style used in this guide. In theory the 1 4 em space is smaller than a normal space but to be honest i have a hard time seeing any difference.
Precise typographical rules differ according to language and context.