Use the 'constant' indicator '%' in the examples for the
Return: values syntax. This can help encourage people to use it.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/lkml/20221121154358.36856ca6@gandalf.local.home/
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
v2: in Subject, spell 'examples' correctly;
    Add Link: and Acked-by: Steven
    add Note:

Note: %-ECODE or -%ECODE both work well.

 Documentation/doc-guide/kernel-doc.rst |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff -- a/Documentation/doc-guide/kernel-doc.rst b/Documentation/doc-guide/kernel-doc.rst
--- a/Documentation/doc-guide/kernel-doc.rst
+++ b/Documentation/doc-guide/kernel-doc.rst
@@ -151,9 +151,9 @@ named ``Return``.
      line breaks, so if you try to format some text nicely, as in::
 
 	* Return:
-	* 0 - OK
-	* -EINVAL - invalid argument
-	* -ENOMEM - out of memory
+	* %0 - OK
+	* %-EINVAL - invalid argument
+	* %-ENOMEM - out of memory
 
      this will all run together and produce::
 
@@ -163,8 +163,8 @@ named ``Return``.
      ReST list, e. g.::
 
       * Return:
-      * * 0		- OK to runtime suspend the device
-      * * -EBUSY	- Device should not be runtime suspended
+      * * %0		- OK to runtime suspend the device
+      * * %-EBUSY	- Device should not be runtime suspended
 
   #) If the descriptive text you provide has lines that begin with
      some phrase followed by a colon, each of those phrases will be taken

Randy Dunlap <rdunlap@infradead.org> writes:

> Use the 'constant' indicator '%' in the examples for the
> Return: values syntax. This can help encourage people to use it.
>
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Suggested-by: Steven Rostedt <rostedt@goodmis.org>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: linux-doc@vger.kernel.org
> Link: https://lore.kernel.org/lkml/20221121154358.36856ca6@gandalf.local.home/
> Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
> ---
> v2: in Subject, spell 'examples' correctly;
>     Add Link: and Acked-by: Steven
>     add Note:
>
> Note: %-ECODE or -%ECODE both work well.
>
>  Documentation/doc-guide/kernel-doc.rst |   10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)

I'm not convinced that this %notation really helps the documentation
rather than just cluttering...but for now we have it, so I've applied
this.

Thanks,

jon