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Macron below is a combining diacritical mark that is used in various orthographies.

A non-combining form is U+02CD ˍ MODIFIER LETTER LOW MACRON. It is not to be confused with U+0320 ◌̠ COMBINING MINUS SIGN BELOW, U+0332 ◌̲ COMBINING LOW LINE and U+005F _ LOW LINE. The difference between "macron below" and "low line" is that the latter results in an unbroken underline when it is run together: compare a̱ḇc̱ and a̲b̲c̲ (only the latter should look like abc).

Unicode

Macron below character

Unicode defines several characters for the macron below:

There are many similar marks covered elsewhere:

• Spacing underscores, including
  • U+005F _ LOW LINE (_, _)
  • U+2017 ‗ DOUBLE LOW LINE
• Combining underlines, including
  • U+0332 ◌̲ COMBINING LOW LINE
  • U+0333 ◌̳ COMBINING DOUBLE LOW LINE
  • U+0347 ◌͇ COMBINING EQUALS SIGN BELOW;
  • U+FE2B ◌︫ COMBINING MACRON LEFT HALF BELOW
  • U+FE2C ◌︬ COMBINING MACRON RIGHT HALF BELOW
  • U+FE2D ◌︭ COMBINING CONJOINING MACRON BELOW
• International Phonetic Alphabet mark for retracted or backed articulation:
  • U+0320 ◌̠ COMBINING MINUS SIGN BELOW
  • U+02D7 ˗ MODIFIER LETTER MINUS SIGN

Precomposed characters

Various precomposed letters with a macron below are defined in Unicode:

Note that the Unicode character names of precomposed characters whose decompositions contain U+0331 ◌̱ COMBINING MACRON BELOW use "WITH LINE BELOW" rather than "WITH MACRON BELOW". Thus, U+1E07 ḇ LATIN SMALL LETTER B WITH LINE BELOW decomposes to U+0062 b LATIN SMALL LETTER B and U+0331 ◌̱ COMBINING MACRON BELOW.

The Vietnamese đồng currency sign resembles a lower case d with a stroke and macron below: U+20AB ₫ DONG SIGN but is neither a letter nor decomposable.

See also

• Underscore
• Macron

References

1. ^ "Combining Diacritical Marks Code Chart, Range: 0300–036F" (PDF). The Unicode Standard. Retrieved 2016-11-21.
2. "6.2 General Punctuation" (PDF). The Unicode Standard. Version 11.0.0. Mountain View, CA: The Unicode Consortium. 2018. p. 273. ISBN 978-1-936213-19-1. Retrieved 2018-12-12. Spacing Overscores and Underscores. U+203E OVERLINE is the above-the-line counterpart to U+005F low line. It is a spacing character, not to be confused with U+0305 COMBINING OVERLINE. As with all overscores and underscores, a sequence of these characters should connect in an unbroken line. The overscoring characters also must be distinguished from U+0304 COMBINING MACRON, which does not connect horizontally in this way.
3. "Latin Extended Additional Code Chart, Range: 1E00–1EFF" (PDF). The Unicode Standard. Retrieved 2016-11-21.
4. "Unicode character database". The Unicode Standard. Retrieved 2016-11-21.

• Letters with macron
• Latin-script diacritics
• Aramaic languages
• Arabic language