![]() ![]() For more information about AAT and Graphite, you may want to check out the Free Tengwar Font Project: Adding Graphite and AAT to a font. It also developed the Graphite system for the automatic use of ligatures. For instance, instead of going with standard names such as ff and ffi for the ligatures, a search with the FontForge app reveals that the font uses the names Omega and approxequal. Most must be exported via the free-licensed font editor Fontforge to a usable. Graphite has been added with the Graphite Compiler. The problem with this font - as far as its ligatures are concerned - is that the ligature names in the internal font table are, shall we say, utterly non-standard. AAT features have been added with ftxenhancer of the Apple Font Tools. Also, that kind of substitutions seems too bloated to me when it goes to simple contextual features. Fontforge does not help here, as its support for both contextual chaining and for Apple state machines segfaults. ![]() OpenType features have been added with FontForge directly. 1 I use Fontforge, where plain liga ligatures work, but now I would like to use a contextual ligature. ![]() It has been edited with FontForge, the libre outline font editor. UnifrakturCook has first been published in 2010 at UnifrakturCook. UnifrakturCook is optimized for linking on the internet by combining standards compliance with a permissive license. Of course, UnifrakturMaguntia provides the character ‹ſ› (U+017F LATIN SMALL LETTER LONG S)! Unfortunately, this will only work on a browser that is capable of displaying ligatures. When you want to oppress a ligature, for instance in the German word «Zeitzone» ‘time zone’ that should have no tz-ligature, then you put a zero width non-joiner between the ‹t› and the ‹z› or, alternatively, you write «Zeit&zwnj zone» in the HTML code. Using the ligatures: Whenever you type a sequence such as ‹tz›, it will automatically be displayed as a ligature. An experimental feature is the distinction of good blackletter typography between required ligatures ‹ch, ck, ſt, tz› that must be kept when letterspacing is increased, and regular ligatures (for instance, ‹fi, fl›) that are broken up when letterspacing is increased. While the glyph design of Peter Wiegel’s font has hardly been changed at all, UnifrakturCook uses smart font technologies for displaying the font’s ligatures (OpenType, Apple Advanced Typography and SIL Graphite). It is based on Peter Wiegel’s font Koch fette deutsche Schrift which is in turn based on a 1910 typeface by Rudolf Koch. ![]()
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