Consider the following:

> 20:28[1] 20 21 22 23 24 25 26 27 28> 20:29 [1] 20 21 22 23 24 25 26 27 28 29


It seems that when a vector has 10 elements, it prints out differently than
one with 9 (extra space before the opening bracket). I can't see why this
is happening. I am writing a manual containing many examples and the
misalignment of the [1]'s is visually problematic.

For additional considerations, please see my stackoverflow post:
http://stackoverflow.com/questions/23703126/fixing-inconsistent-spacing-after-in-output-of-knitted-document/

R version: 3.1.0

Regards,

Dominic Comtois

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