Comparison form

The shape (8 passages, no note) in which two texts are compared: lower-cased, accents (23 passages, no note) stripped, apostrophes (6 passages, no note) unified, each word singularised by the suffix rules (5 passages, no note) of the language pack. "Keyword Page (note: Keyword)", "keyword pages" and "keyword page" have one comparison form and are one term. Titles and aliases enter the dictionary in this form (52 passages, no note), stopwords are compared in it, a candidate expression is grouped by it, the search index (note: Search index) stores (3 passages, no note) every word with it, and the twin resources comparison (15 passages, no note) reads texts in it. Hyphens (4 passages, no note) and apostrophes stay part of a word.