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Windows Glyph List 4

Windows Glyph List 4, or more commonly WGL4 for short, also known as the Pan-European character set, is a character repertoire on Microsoft operating systems comprising 657 Unicode characters, two of them for private use. Its purpose is to provide an implementation guideline for producers of fonts for the representation of European natural languages; fonts that provide glyphs for the entire set of characters can claim WGL4 compliance and thus can expect to be compatible with a wide range of software.

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The repertoire, defined by Microsoft, encompasses all the characters found in Windows code pages 1252 (Windows Western), 1250 (Windows Central European), 1251 (Windows Cyrillic), 1253 (Windows Greek), 1254 (Windows Turkish), and 1257 (Windows Baltic). The characters in DOS code page 437 are also all included, but eighteen of them are optional. It does not cover the combining diacritics used by Vietnamese-related code page 1258, the Thai letters used in code page 874, Hebrew and Arabic letters covered by code pages 1255 and 1256, or the ideographic characters used by code pages 932, 936, 949 and 950. It also does not cover the Romanian letters Ș, ș, Ț, and ț (U+0218–B), which were added to several of Microsoft's fonts for Windows Vista (long after the WGL4 repertoire was originally defined). In version 1.5 of the OpenType Specification (May 2008) four Cyrillic characters were added to the WGL4 character set: Ѐ (U+0400), Ѝ (U+040D), ѐ (U+0450) and ѝ (U+045D).{{Cite web ==Character table==
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