[PATCH 1/1] docs: allow long unbroken headings to wrap and prevent overflow

[Rito Rhymes]

Some documentation pages contain long headings with unbroken strings
that can exceed the content width and cause page-wide horizontal
overflow.

Allow headings to wrap when needed so they stay within the content
column and do not break page layout.

Signed-off-by: Rito Rhymes <rito@xxxxxxxxxxxxxx>
---
 Documentation/sphinx-static/custom.css | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/sphinx-static/custom.css b/Documentation/sphinx-static/custom.css
index db24f4344..14711c7be 100644
--- a/Documentation/sphinx-static/custom.css
+++ b/Documentation/sphinx-static/custom.css
@@ -8,6 +8,13 @@ div.body h1 { font-size: 180%; }
 div.body h2 { font-size: 150%; }
 div.body h3 { font-size: 130%; }
 div.body h4 { font-size: 110%; }
+/*
+ * Let long headings wrap before they overflow page layout.
+ */
+div.body h1, div.body h2, div.body h3, div.body h4,
+div.body h5, div.body h6 {
+    overflow-wrap: anywhere;
+}
 
 /* toctree captions are styled like h2 */
 div.toctree-wrapper p.caption[role=heading] { font-size: 150%; }
-- 
2.51.0