: Type Design: Background and guidelines for designing the Umlaute (ä Ä, ü Ü, ö Ö) of a serif typeface I am working on the editorial design of a book and Lucas Bihan of Bretagne Type Foundry

@Reiling762

I assume there are things to keep in mind and an Ä is not created by merely copying the A and putting a couple of dots taken from the i above it.


While what you describe works surprisingly well, there are a few small pitfalls:


While lowercase umlauts mostly can inherit the horizontal metrics from their respective base letters, this usually does not work well when they are preceded by an f, some capital letters, or special characters¹.
You can solve this by kerning or using a contextual variant for the umlaut (narrower dots) or the preceding character (e.g., an f with a less protruding ascender).
Here are some examples and solutions from Linux Libertine:


Uppercase umlauts will often be taller than your otherwise tallest glyphs, in particular in a typeface such as yours where the capital are as tall as lowercase ascenders.
With a small linespacing such as in your example, this may lead to awkward collisions with descenders from the line above.
On the other hand, when lowering the dots, you do not want them to collide with the base letter.
To avoid this, place the dots somewhat beside the base letter for the Ä and Ö or between the stems of the Ü.
Below, you see Linux Libertine’s realisation of this.
Note how for the Ä and Ö, the dots are further apart than for the lowercase umlauts, while for the Ü, they are closer together.




Of course, depending on the length of your text, it may be worthwhile to check whether the above rare problems actually occur before you spend time on fixing them.


¹ Be aware that there are more potential problems in non-German text.

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@Nimeshi706

You can find a lot of useful information and resources for designing diacritics here:

When designing a latin-based typeface, how are diacritics handled?

Specifically in this case The Diacritics Project. Which says:


The basic form of diaeresis and umlaut are two dots. The symbol thus may be created of two dots same as the one above i, placed in the same height. Sometimes, it is visually more pleasing to scale down the dot accents. However, even the scaled down dots should be of the same shape as the dot accent.


So in theory you can just take the existing characters and dots in the typeface.

Creating the glyphs...

In Glyphs you need to create new glyphs for the diacritics you're missing and set up anchors for those diacritics so Glyphs can auto-generate the combined glyphs for you.

Right clicking the relevant item in the Languages section of the left sidebar of the font view will show you the glyphs you're missing and let you generate them...



Note; the glyph you want is the "Dieresis", what Glyphs calls the umlaut is actually a double acute.

To make things easier, first generate only the diacritic glyph.

Then you need to create the paths in the glyph (so copy/paste some dots and scale/reposition as needed). Set the anchors while you're there too (cmd+U); the anchors are used to position the components in the generated combined characters so you may or may not need to adjust the anchors.

Then go back and generate the combined characters.

Creating the diacritics first allows Glyphs to auto-generate the combined characters as they are created. Otherwise it would have generated everything as an empty glyph and you would need to go through each and go to Glyph → Make Component Glyph to auto-generate them.

More info on setting up diacritics in Glyphs here:

glyphsapp.com/tutorials/diacritics

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