[bezierTools] Add link to algorithm

https://github.com/fonttools/fonttools/issues/3055
2023-03-21 13:30:30 -06:00 · 2023-03-21 13:30:30 -06:00 · 14a767719b
commit 14a767719b
parent f1c609aa57
1 changed files with 1 additions and 1 deletions
--- a/Lib/fontTools/misc/bezierTools.py
+++ b/Lib/fontTools/misc/bezierTools.py
@ -214,7 +214,7 @@ def calcQuadraticArcLengthC(pt1, pt2, pt3):
        Arc length value.
    """
    # Analytical solution to the length of a quadratic bezier.
-    # I'll explain how I arrived at this later.
+    # Documentation: https://github.com/fonttools/fonttools/issues/3055
    d0 = pt2 - pt1
    d1 = pt3 - pt2
    d = d1 - d0