I'm trying to create a simple two-column table. The left column will 
show images of symbols used in the document, and the right column will 
explain what those images mean. So far, I have

--8<---------------cut here---------------start------------->8---

#+MACRO:  p   \includegraphics[scale=.35]{$1}
#+CAPTION: Document Symbols
#+ATTR_LATEX: :align lp{5in} :float nil :border 2 :frame border
| {{{p(./GreenDot.png)}}}  | This symbol indicates that the associated 
item is in a /normal/ or /successful/ state.                 |
| {{{p(./YellowDots.png)}}} | This symbol denotes a state of /concern/ 
or /potential trouble/ for the associated item.               |
| {{{p(./RedDots.png)}}}   | This symbol indicates that the associated 
item is in a /severely troubled/ or /non-functioning/ state. |

--8<---------------cut here---------------end--------------->8---


But what I'm getting is:

misaligned table

Is there a way to get both columns centered?

Thank you.

-pd


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Peter Davis
The Tech Curmudgeon
www.techcurmudgeon.com