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Comment: LuaTeX: no bugs in rendering Linear B

Table of Contents
Version 1.0.

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3,

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25 February 2022

Version history:

1.0, 17 February 2022

1.01, 21 February 2022

1.02, 22 February 2022

1.03, 25 February 2022

About the script

Linear B, the script found on tablets in excavations of Knossos (Crete), Pylos and Mycenae, remained undeciphered for decades, until, in 1952, Michael Ventris (who profited from the preliminary analyses made by Alice Kober) managed to crack the code. Confirmation of the decipherment followed rapidly: Linear B had been used to write the oldest form of Greek know to us, Mycenaean Greek (15th-13th centuries BCE). Linear B consists of about 90 syllabograms, supplemented with about 165 logograms (or ‘ideograms’) and the so-called ‘Aegean numbers’, a numbering system already used by the Minoan civilization (in Linear A). There are word dividers (a small perpendicular line on the baseline). Linear B is exclusively written horizontally from left to right.

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Many typesetters use Adobe InDesign to perform page layout for PDF production. It has been observed that Adobe InDesign CC 2022 (v. 17.1) as well as CC 2021 and CC 2020 , fail to render a distinct group of Linear B characters, although the character codes remain present in the text: they are 𐀀 (U+10000), 𐀈 (U+10008), 𐀉 (U+10009), 𐀊 (U+1000A), and 𐀍 (U+1000D). The problem seems to be connected with Adobe’s World‘World-Ready Paragraph Composers’, which are used by default by typesetters producing PDF of Brill publications. The oldertwo Adobe Paragraph Composers: Adobe Paragraph Composer and the Adobe Single-line Paragraph Composer, render Composer render all Linear B characters correctly.

Furthermore, when importing text from either .docx or .txt (UTF-8) formats, 𐄐 (U+10110, AEGEAN NUMBER TEN) and 𐄒 (U+10112, AEGEAN NUMBER THIRTY) needed a manual application of the Noto Sans Linear B font (the underlying character codes are and remain correct).

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  • Adobe InDesign users must switch the paragraph composer applied to all paragraphs containing text in the Linear B script, even if there is just one Linear B character, to either of the older Adobe Paragraph Composers: Adobe Paragraph Composer or the Adobe Single-line Paragraph Composer.
  • If a paragraph containing Linear B characters also contains complex-script text (this includes any bidirectional script such as Phoenician, Hebrew, Syriac, Arabic, etc., but also many others!), only switching to an older Adobe Paragraph Composer is very likely to cause new problems elsewhere.

In such an event, Brill personnel must always contact scripts@brill.com. A A typesetting program other than Adobe InDesign (think , such as LuaTeX as used by TAT Zetwerk) will probably , does not exhibit this bug.

  • Typesetters must also check that 𐄐 (U+10110, AEGEAN NUMBER TEN) and 𐄒 (U+10112, AEGEAN NUMBER THIRTY) are rendered correctly with the Noto Sans Linear B font as well – if these characters occur, of course.

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