Typotheque: Irma font family, OpenType Font Features

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Discretionary Ligatures

Irma includes dozens of extra ligatures which can save space and give your message a distinctive look. Discretionary ligatures are off by default in Adobe applications.

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Standard Ligatures

Standard ligatures are those which are designed to improve the kerning and readability of certain letter pairs. For example, when this feature is activated, typing ‘f’ and ‘i’ will automatically produce the ‘fi’ ligature. Using ligatures does not affect the spelling and hyphenation of your text in any way.

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Stylistic Sets 1

Irma Slab provides different conditional letterforms, depending on whether characters occur at the beginning, middle, or the end of a word. Letters can have four different forms (initial, medial, final and isolated). The choice of these forms is controlled by a powerful OpenType feature (Stylistic Set 1), which allows creation of typographic patterns using the negative spaces of the letterforms.

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Stylistic Set 2

This feature allows automatic highlighting of text when no other font style or colour is available, simply inverting the text to negative forms.

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Stylistic Set 5

If you are setting text with no space between the lines, you can apply Stylistic Set 5, which lowers some accents above the letters to eliminate space between the lines.