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-rw-r--r--doc/concepts/expressions.md5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/concepts/expressions.md b/doc/concepts/expressions.md
index aead2c31..c5d120e4 100644
--- a/doc/concepts/expressions.md
+++ b/doc/concepts/expressions.md
@@ -74,6 +74,11 @@ the value `null` is taken as default for `"default"`) and
evaluated. The value obtained this way is the result of the
evaluation.
+##### Quoting: `"'"`
+
+The value is the value of the key `"$1"` uninterpreted, if present,
+and `null` otherwise.
+
##### Sequential binding: `"let*"`
The key `"bindings"` (default `[]`) has to be (syntactically) a