From 7e7a7bf936fbc7c8771327ba7eb9c948499d118d Mon Sep 17 00:00:00 2001
From: Valentin Lorentz <progval+git@progval.net>
Date: Fri, 15 May 2020 23:55:56 +0200
Subject: [PATCH] registry: Explain why Value.set sets self._wasSet.

---
 src/registry.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/registry.py b/src/registry.py
index 4cb1f8bc3..e16a2ba8e 100644
--- a/src/registry.py
+++ b/src/registry.py
@@ -442,6 +442,9 @@ class Value(Group):
         """Override this with a function to convert a string to whatever type
         you want, and call self.setValue to set the value."""
         self.setValue(s)
+
+        # redundant as setValue() already sets it, but it avoids really hard
+        # bugs if subclasses mess with _setValue.
         self._wasSet = True
 
     def setValue(self, v):