doc: document GROUP directive is cumulative

komh · komh · commit f558be8e993f · 2025-10-05T17:23:01.000+09:00
Signed-off-by: KO Myung-Hun &lt;komh78@gmail.com&gt;
diff --git a/doc/changes.src b/doc/changes.src
@@ -14,6 +14,8 @@ It is the production version of NASM since 2025.
 
 Put the updates for NASM 3.01 here...
 
+\b Now \c{GROUP} directive cumulates sections for the same group.
+
 \S{cl-3.00.01} Version 3.00.01
 
 Put the updates for NASM 3.00.01 here...
diff --git a/doc/outfmt.src b/doc/outfmt.src
@@ -327,6 +327,10 @@ A group does not have to contain any segments; you can still make
 you are referring to. OS/2, for example, defines the special group
 \c{FLAT} with no segments in it.
 
+\c{GROUP} is cumulative. The above example can be done like this:
+
+\c group dgroup data
+\c group dgroup bss
 
 \S{uppercase} \i\c{UPPERCASE}: Disabling Case Sensitivity in Output
 
