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.

Isaac Argyros, 〈Paraphrasis in Anonymum commentum in Quadripartitum〉

Madrid, UC-BH, cod. 122 · 91v

Facsimile

Ea enim que ad fortunam et possessionem eorum pertinent ex luminarium doryphoria sunt consideranda, quoniam ab his que possunt benefacere circundata et ab his que sunt eiusdem factionis, sive in iisdem signis sive in sequentibus, illustria et