From fb643211e1d94ac8f7bd422da2e86fc6a1ce1bc6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ole=20Sch=C3=BCtt?= <ole.schuett@cp2k.org>
Date: Fri, 14 Feb 2025 11:20:43 +0100
Subject: [PATCH] Docs: Fix keywords with arbitrary number of values

---
 docs/generate_input_reference.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/generate_input_reference.py b/docs/generate_input_reference.py
index fa36eff4be..768f547f84 100755
--- a/docs/generate_input_reference.py
+++ b/docs/generate_input_reference.py
@@ -336,7 +336,7 @@ def render_keyword(
 
     # Use Sphinx's py:data directive to document keywords.
     output += [f"```{{py:data}}  {canonical_name}"]
-    n_var_brackets = f"[{n_var}]" if n_var > 1 else ""
+    n_var_brackets = f"[{n_var}]" if n_var > 1 else "[ ]" if n_var == -1 else ""
     if section_xref:
         output += [f":module: {section_xref}"]
     else: