Makes a new Rune from two given Runes by placing the first on the left of the second such that the first one occupies frac portion of the width of the result and the second the rest
Fraction between 0 and 1 (inclusive)
Given Rune
Resulting Rune
Makes a new Rune from two given Runes by placing the first on the left of the second such that the first one occupies frac portion of the width of the result and the second the rest