Modern evolution of Esperanto

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Esperanto
Language Grammar Phonology Orthography (Braille) Vocabulary Etymology
History Zamenhof Proto-Esperanto Unua Libro Dua Libro La Esperantisto Fundamento de Esperanto Declaration of Boulogne Montevideo Resolution Manifesto of Rauma Manifesto of Prague Modern evolution of Esperanto
Culture Esperanto movement Esperantist Esperantujo Literature Music Film La Espero Libera Folio Literatura Mondo Native speakers Libraries Pop culture references Publications Symbols Profanity Zamenhof Day
Organizations and services World Esperanto Congress Akademio de Esperanto Universal Esperanto Association World Esperanto Youth Organization International Youth Congress Esperanto Youth Week World Anational Association Encyclopedia Pasporta Servo Plouézec Meetings European Esperanto Union Europe–Democracy–Esperanto Panamerican Congress Skolta Esperanto Ligo
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Related topics Auxiliary language Constructed language Ido Homaranismo Linguistic discrimination
Wikimedia Constructed languages portal Task force Outline Esperanto Wikipedia (Vikipedio) Vikivortaro Vikicitaro Vikifontaro Vikilibroj Vikikomunejo Vikispecoj Vikinovaĵoj Vikivojaĵo
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The international auxiliary language Esperanto has been mostly stable since its creation, especially as compared to other constructed languages. This is due to the Declaration of Boulogne in 1905, which made the early works of Zamenhof binding; most attempts to change the language have been therefore seen as distinct language projects (so-called Esperantidos), and for the most part the Esperanto community has ignored them. The main change in the language has been a great expansion of the vocabulary, largely driven by translations of technical jargon, which is explicitly allowed for by Boulogne. However, there have been more subtle changes to syntax and semantics as the majority of Esperanto authors shifted from native speakers of Slavic and German to other languages, such as French and English.^[a] This article considers some of the purposeful changes to the language since Boulogne.
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