docs: Makefile: document latex/PDF PAPER= parameter

While the build system supports this for a long time, this was
never documented. Add a documentation for it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Message-ID: <9c7b34db18642081d22c36a4203f341c1100341e.1758196090.git.mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/Makefile b/Documentation/Makefile
index 9ec96ccb3495cb1fc675d53dc48189cf3a9dcb24..0572e209305d60f26c2ba2833ae168fd7a071b12 100644 (file)
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -128,4 +128,6 @@ dochelp:
        @echo
        @echo  '  make DOCS_CSS={a .css file} adds a DOCS_CSS override file for html/epub output.'
        @echo
+       @echo  '  make PAPER={a4|letter} Specifies the paper size used for LaTeX/PDF output.'
+       @echo
        @echo  '  Default location for the generated documents is Documentation/output'