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Re: Combined/Melted characters [message #1815586 is a reply to message #1815369] |
Sun, 06 October 2019 14:37 |
DI V Messages: 20 Registered: October 2019 |
Junior Member |
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Good detective work, Michael N. Lipp!
It might be good for font creators to be aware of this usage case.
In word processing software (such as Microsoft Word) it is possible to enable or disable ligatures (for all characters) in selected text (or the whole document).
Desktop publishing applications and graphic design software may provide even more control.
This suggests that it might be possible for Eclipse to implement an advanced option to turn it off. Although, to be frank, they'd probably be better off with a blanket disabling of ligatures by default.
Having said that, there are different ways that the behaviour you're describing can be implemented using OpenType features, and formal declaration of the feature as a "ligature" within the font is only one of several possible implementations. I believe that the other possible implementations cannot (readily) be disabled.
With your Inconsolata font have you noticed any other apparent ligatures? The most common in English would include
- [default font]: "fi" for "fi", "ij" for "ij", "ff" for "ff" and "fl" for "fl".
- Arial: "fi" for "fi", "ij" for "ij", and "fl" for "fl".
- Times: "fi" for "fi", "ij" for "ij", and "fl" for "fl".
- Courier: "fi" for "fi", "ij" for "ij", and "fl" for "fl".
- Century: "fi" for "fi", "ij" for "ij", and "fl" for "fl".
(You will need to look closely to spot the differences. Notice that the "i" has no dot in some of the ligatures in which it follows "f". In some of the ligatures the bar of the "f" is extended to touch the following "l" or "f". In Courier the letters are noticeably closer in all ligatures. When you try to select the text, the ligature usually acts as a single character.)
--DIV
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