Alexandrine introduce phrasal accentuation, or rigorously observe the medial caesura, as in French." Common usage within the literatures of European languages is broader still, embracing lines syllabic, accentual-syllabic, and (inevitably) stationed ambivalently between the two; lines of 12, 13, or even 14 syllables; lines with obligatory, predominant, and optional caesurae. Although alexandrines occurred in French verse as early as the 12th century, they were slightly looser rhythmically, and vied with the "décasyllabe" and "octosyllabe" for cultural prominence and use in various genres. "The alexandrine came into its own in the middle of the sixteenth century with the poets of the Pléiade
Metre (poetry) of poetic syllables will be the same as the grammatical number of syllables. Furthermore, if the accent lies on the third to last syllable, then one syllable is subtracted from the actual count, having then less poetic syllables than grammatical syllables. Spanish poetry uses poetic licenses, unique to Romance languages, to change the number of syllables by manipulating mainly the vowels in the line. Regarding these poetic licenses one must consider three kinds of phenomena: (1) syneresis, (2) dieresis and (3) hiatus There are many types of licenses, used either to add or subtract syllables, that may be applied when