# [OS X TeX] another bad page break problem

Victor Ivrii vivrii at gmail.com
Wed Jun 15 22:13:56 EDT 2011

On Wed, Jun 15, 2011 at 9:33 PM, Art Werschulz <agw at comcast.net> wrote:
> Hi.
>
> On Jun 15, 2011, at 7:20 PM, Ross Moore wrote:
>
>> By the way, your use of upright text for descriptive words in subscripts
>> is laudable — most people get this wrong.
>
> Indeed.  I've had the privilege of studying the Master's works (i.e., Knuth), and this is a point he makes more than once.   I highly recommend his "Mathematical Writing".  Anybody who's going to do mathematical writing (e.g., PhD students) should read same and learn its lessons.
>
> To me, a juxtaposition of math italics is implied multiplication, not a label.  Besides, math italics were not designed for the formation of words; something like $c_{in}$ just Looks Funny.
>
>> However not sure why you chose to use \operatorname .
>> It is sufficient to use \mathrm or \text

I prefer \mathsf for this labels (but I also use {sfmath} package as
it is IMHO easier for eyes

>
> 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

Victor

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Victor Ivrii, Professor, Department of Mathematics, University of Toronto
http://www.math.toronto.edu/ivrii