PAL

Ptolemaeus Arabus et Latinus

_ (the underscore) is the placeholder for exactly one character.
% (the percent sign) is the placeholder for no, one or more than one character.
%% (two percent signs) is the placeholder for no, one or more than one character, but not for blank space (so that a search ends at word boundaries).

At the beginning and at the end, these placeholders are superfluous.

Ptolemy, De planetarum hypothesibus liber (tr. John Bainbridge)

London, Guilielmus Jones, 1620 · 6

Facsimile

et circum idem centrum aequabiliter ab ortu in occasum vertatur, qui deferens appelletur. Deferat autem alterum maximum circulum sibi circum idem centrum immutabiliter inclinatum, qui zodiacus nominetur. Horum autem planorum inclinatio comprehendat angulum partium 23° 51′ 20′′, quales unus rectus continet 90°. Zodiaci etiam circumferentia in 360 segmenta aequalia divisa, appellentur haec segmenta proprie partes. Puncta vero, quibus se bifariam secant deferens et zodiacus, aequinoctialia dicantur, at puncta quae circuli quadrante ab illis utrinque distant, tropica nominentur, quorum illud, quod ad septentrionem inclinat, aestivus et borealis appelletur limes, alterum vero oppositum hy