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[Norbert Nemec <address@hidden>]

On Donnerstag, 22. Mai 2003 18:37, Joris van der Hoeven wrote:
> You may type "d space y" for "d applied to y". In fact, you rather
> *should* type "d tab tab space y". Indeed, the upright "d" stands for
> the differentiation operator. This is good practice, since it helps
> the reader (and automatized readers) to distinguish between the letter
> "d" and the differentiation operator. In a similar vein, you may try
> "e tab tab", "i tab tab" and "p tab tab".

Now, as you mention it: is there a way to produce other single non-italic 
letters? For Feynman-path-integration, e.g., one uses "D" like the "d" 
operator in normal integrals, therefore it should be non-italic as well.

-- 
______________________Norbert Nemec <address@hidden>

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