[OS X TeX] \operatorname or \mathrm in multi-letter subscript labels

[Art Werschulz]

Hi.

On Jun 15, 2011, at 10:13 PM, Victor Ivrii wrote:

>>> However not sure why you chose to use \operatorname .
>>> It is sufficient to use \mathrm or \text
>> Somehow I got into the habit of doing that a very long time ago.  Maybe this was in Spivak's "Joy of TeX"; I don't remember.
> 
> \operatorname provides some extra spacing which does not seem suitable
> for labels

Compare $c_{\operatorname{in-out}}$ with $c_{\mathrm{in-out}}$.  The first gives a hyphen, the second gives what appears to be a minus sign.

Art Werschulz (8-{)}   "Metaphors be with you."  -- bumper sticker
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