In pgAdmin 1.14.2 bundled with Postgres 9.1.3 on Mac OS X as installed by the EnterpriseDB installers…
Preferences > Query Tool > Font
is set to “Monaco” font.
While Monaco is one of the original fonts shipped with every Mac ever made, in recent years Apple has bundled a much
improvedmonospaced sans-serif font named “Menlo”. Menlo is found on Macs running Snow Leopard and Lion (Mac OS X 10.6 &
10.7).Menlo is much easier to read on-screen.
http://en.wikipedia.org/wiki/Menlo_(typeface)
Please considering setting “Menlo” as the preferred default font when found on a user’s Mac.
—Basil Bourque