superscript

Superscript/subscript/fractions & software to aid in design

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I never finished any fonts until recently and so I never got to the stage of designing numbers before. While completing all the numeral sets I came to realize that the fractals require their very own set which is distinct from superscript/subscript. I guess I should have realized, and yet I was surprised at the amount of work required to complete all numeral sets.

Non-standard Numerals and Letters

I am new to designing fonts and was wondering if anyone out there might be able to answer my question: when designing a font what are the typical characters that are included in the superscript, subscript, numerators, denominators and ordinals and scientific inferiors?

Typically Adobe include the characters included in the image attached (where red text shows the text that changed when applying that style), however, I am wondering if there are any more that should be added? Also what is the difference between Subscript and Inferior and Superscript and Superior? I would be grateful for any feedback. Thank you.

Appropriate feature tag for miniscule superscrpt top marks?

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I need advice on the most appropriate feature tag to use for discretionary substitution of word final letters by the miniscule superscript top mark forms found in the unicode ranges [0363 - 036F] and [1DD3 - 1DE6]. I am currently using 'clig' as a working feature tag and treating each minisculle superscript as a contextual ligature of a full stop plus its base glyph to be substituted whenever a space, comma, or another full stop follows.

feature clig { # contextual liguatures
# Latin
sub period' a' @class58 by uni0363;
sub period' e' @class58 by uni0364;
sub period' i' @class58 by uni0365;
sub period' o' @class58 by uni0366;
sub period' u' @class58 by uni0367;
sub period' c' @class58 by uni0368;
} clig;

Superscript reference spacing

Hello Typophiles

I'm in the final stages of completing a university book project that I'm entering into the ISTD student awards. I made a post a few months back regarding the format of references and I'm back now to ask your collective advice over their spacing.

I've been using Book Typography - A Designer's Manual, as I always do for book projects, and have followed its guidance on the spacing of references. However, I'm not sure the hard and fast rules are working here. If you look at the attached screen-grab, You can see how the standard width of spacing I've used looks OK, in my opinion, for the reference at the end of the paragraph. But with the ones located in the midst of the text, especially after the quote in italics, they look inconsistently spaced.