diff --git a/src/libexpr/print.hh b/src/libexpr/print.hh
index 3b72ae201..abf830864 100644
--- a/src/libexpr/print.hh
+++ b/src/libexpr/print.hh
@@ -10,45 +10,47 @@
 #include <iostream>
 
 namespace nix {
-    /**
-     * Print a string as a Nix string literal.
-     *
-     * Quotes and fairly minimal escaping are added.
-     *
-     * @param s The logical string
-     */
-    std::ostream & printLiteralString(std::ostream & o, std::string_view s);
-    inline std::ostream & printLiteralString(std::ostream & o, const char * s) {
-        return printLiteralString(o, std::string_view(s));
-    }
-    inline std::ostream & printLiteralString(std::ostream & o, const std::string & s) {
-        return printLiteralString(o, std::string_view(s));
-    }
 
-    /** Print `true` or `false`. */
-    std::ostream & printLiteralBool(std::ostream & o, bool b);
-
-    /**
-     * Print a string as an attribute name in the Nix expression language syntax.
-     *
-     * Prints a quoted string if necessary.
-     */
-    std::ostream & printAttributeName(std::ostream & o, std::string_view s);
-
-    /**
-     * Returns `true' is a string is a reserved keyword which requires quotation
-     * when printing attribute set field names.
-     */
-    bool isReservedKeyword(const std::string_view str);
-
-    /**
-     * Print a string as an identifier in the Nix expression language syntax.
-     *
-     * FIXME: "identifier" is ambiguous. Identifiers do not have a single
-     *        textual representation. They can be used in variable references,
-     *        let bindings, left-hand sides or attribute names in a select
-     *        expression, or something else entirely, like JSON. Use one of the
-     *        `print*` functions instead.
-     */
-    std::ostream & printIdentifier(std::ostream & o, std::string_view s);
+/**
+ * Print a string as a Nix string literal.
+ *
+ * Quotes and fairly minimal escaping are added.
+ *
+ * @param s The logical string
+ */
+std::ostream & printLiteralString(std::ostream & o, std::string_view s);
+inline std::ostream & printLiteralString(std::ostream & o, const char * s) {
+    return printLiteralString(o, std::string_view(s));
+}
+inline std::ostream & printLiteralString(std::ostream & o, const std::string & s) {
+    return printLiteralString(o, std::string_view(s));
+}
+
+/** Print `true` or `false`. */
+std::ostream & printLiteralBool(std::ostream & o, bool b);
+
+/**
+ * Print a string as an attribute name in the Nix expression language syntax.
+ *
+ * Prints a quoted string if necessary.
+ */
+std::ostream & printAttributeName(std::ostream & o, std::string_view s);
+
+/**
+ * Returns `true' is a string is a reserved keyword which requires quotation
+ * when printing attribute set field names.
+ */
+bool isReservedKeyword(const std::string_view str);
+
+/**
+ * Print a string as an identifier in the Nix expression language syntax.
+ *
+ * FIXME: "identifier" is ambiguous. Identifiers do not have a single
+ *        textual representation. They can be used in variable references,
+ *        let bindings, left-hand sides or attribute names in a select
+ *        expression, or something else entirely, like JSON. Use one of the
+ *        `print*` functions instead.
+ */
+std::ostream & printIdentifier(std::ostream & o, std::string_view s);
+
 }