micro sign in scientific sample

Replace random length unit to cover another common (Latin1) code point.

diff --git a/unicode.txt b/unicode.txt
index 42a48b1cfe6b61da45bc37860ffdbbe06eb811bd..9498885e4019da577403c91e0bc5f7e03d0d44a3 100644 (file)
--- a/unicode.txt
+++ b/unicode.txt
@@ -25,7 +25,7 @@ Mathematics and sciences:
                                             ⎪⎢⎜ ∞     ⎟⎥⎪
   ⊥ < a ≠ b ≡ c ≤ d ≪ ⊤ ⇒ (⟦A⟧ ⇔ ⟪B⟫),      ⎪⎢⎜ ⎲     ⎟⎥⎪
                                             ⎪⎢⎜ ⎳aⁱ-bⁱ⎟⎥⎪
-  2H₂ + O₂ ⇌ 2H₂O, R = 4.7 kΩ, ⌀ 200 mm     ⎩⎣⎝i=1    ⎠⎦⎭
+  2H₂ + O₂ ⇌ 2H₂O, R = 4.7 kΩ, ⌀ 200 µm     ⎩⎣⎝i=1    ⎠⎦⎭
 
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