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8. Text > Text Terminology

Text Terminology

Before we investigate the primary method of adding text, the <text> element, we should define some terms you’ll see if you read the SVG specification or if you work with text in any graphic environment:

Character

A character, as far as an XML document is concerned, is a byte or bytes with a numeric value according to the Unicode standard. For example, what we call the letter “g” is the character with Unicode value 103.

Glyph

A glyph is the visible representation of a character or characters. A single character can have many different glyphs to represent it. Figure 8-1 shows the word “glyphs” written with two different sets of glyphs — look particularly at the initial “g” — it’s the same character, but the glyphs are markedly different.


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