You can buy this project and download/modify it how often you want.
Text Layout Properties sample Text Layout Properties Explicit Glyph Positioning sample tspan x="40,60,80,105,125,140" sample Serif, default spacing sample x="175" dx="0,10,10,10,10,10" Letter Spacing Adjustment and Explicit Length Specification sample textLength="120" sample textLength="70" sample kerning="10" sample textLength="120", lengthAdjust="spacingAndGlyphs" sample textLength="70" lengthAdjust="spacingAndGlyphs" sample textLength="120",kerning="10" sample letter-spacing="0.3em" sample letter-spacing="-3" sample letter-spacing="10" Word Spacing Adjustment Wide separation between words textLength="350" word-spacing="3em" Narrow separation between words textLength="350" word-spacing="-5" Narrow separation between words textLength="350" lengthAdjust="spacingAndGlyphs" word-spacing="-5"
