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-rw-r--r--docs/options.md6
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/options.md b/docs/options.md
index c7a6c061..ba7e2d89 100644
--- a/docs/options.md
+++ b/docs/options.md
@@ -90,4 +90,10 @@ The following syntax for environment variables is also supported:
Name[$ei]=${USER}
+There are three environment variables that have a fallback strategy if the
+environment variable is not set. They instead map to a location from QStanardPaths.
+They are:
+ `$QT_CACHE_HOME` - QStandardPaths::GenericConfigLocation
+ `$QT_CONFIG_HOME` - QStandardPaths::GenericConfigLocation
+ `$QT_DATA_HOME` - QStandardPaths::GenericDataLocation