From 4eff811485a620f035601633d2c0db37d05f4989 Mon Sep 17 00:00:00 2001
From: Luca Toniolo <10792599+grandixximo@users.noreply.github.com>
Date: Thu, 18 Jun 2026 10:11:42 +0800
Subject: [PATCH] docs(build): fix English HTML stylesheet path one level too
 shallow

English renders from build/adoc/en with a stem that omits the en/ prefix,
so the cssrel rule emits ../ instead of ../../ and the pages load a
nonexistent en/asciidoctor.css and render unstyled. Add an en-specific
rule with the +1. Translated languages and man pages were already correct.
---
 docs/src/Submakefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/src/Submakefile b/docs/src/Submakefile
index d3102f8ecd5..1e6cc85b64f 100644
--- a/docs/src/Submakefile
+++ b/docs/src/Submakefile
@@ -1223,6 +1223,10 @@ endif
 # is one greater than the topic-relative slash count.
 $(DOC_SRCDIR)/%.html: LCNC_CSSREL=$(shell python3 -c "print('../' * (1 + '$*'.count('/')))")
 $(DOC_OUT_ADOC)/%.html: LCNC_CSSREL=$(shell python3 -c "print('../' * '$*'.count('/'))")
+# English renders under $(DOC_OUT_ADOC)/en with a stem that omits the en/
+# prefix (DOC_SRCS_EN paths carry no lang dir), so its slash count is one short
+# of the output depth.  Add the +1 here, matching the $(DOC_SRCDIR) rule above.
+$(DOC_OUT_ADOC)/en/%.html: LCNC_CSSREL=$(shell python3 -c "print('../' * (1 + '$*'.count('/')))")
 
 # asciidoctor HTML rule used for every language.
 #	$1 lang tag (en, de, ...)