[6.0] ca5770ada man: Fix rendering of certain sections in vtc(7)

[Dridi Boukelmoune]

commit ca5770ada1b18e44e6961b92b62d197f5b80863d
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Mon Nov 28 17:17:15 2022 +0100

    man: Fix rendering of certain sections in vtc(7)
    
    The matching regular expression did not align with the substitution
    regular expression.
    
    Refs d2e526ce95d6d8426ec170b4cfc78d41abc07179

diff --git a/doc/sphinx/vtc-syntax.py b/doc/sphinx/vtc-syntax.py
index 33aad14b6..1c40f30d5 100644
--- a/doc/sphinx/vtc-syntax.py
+++ b/doc/sphinx/vtc-syntax.py
@@ -36,7 +36,7 @@ import re
 def parse_file(fn, cl, tl, sl):
     p = False
     section = ""
-    resec = re.compile("\s*/\* SECTION: ")
+    resec = re.compile("\s*/?\* SECTION: ")
 
     f = open(fn, "r", encoding="UTF-8")