[Issue 20619] New: ddox documentation "auto auto" return values

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20619

          Issue ID: 20619
           Summary: ddox documentation "auto auto" return values
           Product: D
           Version: D2
          Hardware: x86
                OS: Windows
            Status: NEW
          Severity: minor
          Priority: P1
         Component: dlang.org
          Assignee: nobody at puremagic.com
          Reporter: john.michael.hall at gmail.com

The ddox documentation has some functions (see [1] and [2]) with return values
of "auto auto". However, this does not happen with the other documentation (see
[3] and [4], respectively). 

While I noticed this issue within the std.conv package, it is not limited to
that and a google search for "auto auto" site:https://dlang.org/library/
reveals 220 results. Looking at a few of these issues, it appears that this
happens when there are no attributes in the functions.  I did not see an
example of this when it is a non-templated function, but I did not look that
hard. I did not see the issue when looking at other functions in phobos that
have attributes.

[1] https://dlang.org/library/std/conv/unsigned.html
[2] https://dlang.org/library/std/conv/signed.html
[3] https://dlang.org/phobos/std_conv.html#unsigned
[4] https://dlang.org/phobos/std_conv.html#signed

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