@Lustig Andrei,
Chaucer probably didn't think that future generations would need a decoder ring to understand his work.
http://www.fordham.edu/halsall/source/CT-prolog-para.html
The Squire's Portrait
THE SQUIRE
79: With hym ther was his sone, a yong squier,
80: A lovyere and a lusty bacheler,
81: With lokkes crulle as they were leyd in presse.
82: Of twenty yeer of age he was, I gesse.
83: Of his stature he was of evene lengthe,
84: And wonderly delyvere, and of greet strengthe.
85: And he hadde been somtyme in chyvachie
86: In flaundres, in artoys, and pycardie,
87: And born hym weel, as of so litel space,
88: In hope to stonden in his lady grace.
89: Embrouded was he, as it were a meede
90: Al ful of fresshe floures, whyte and reede.
91: Syngynge he was, or floytynge, al the day;
92: He was as fressh as is the month of may.
93: Short was his gowne, with sleves longe and wyde.
94: Wel koude he sitte on hors and faire ryde.
95: He koude songes make and wel endite,
96: Juste and eek daunce, and weel purtreye and write.
97: So hoote he lovede that by nyghtertale.
98: He sleep namoore than dooth a nyghtyngale.
99: Curteis he was, lowely, and servysable,
100: And carf biforn his fader at the table.