On Mon, Aug 12, 2019 at 6:16 PM Jean Louis <bugs@gnu.support> wrote:

> I use:  Editor:      GNU Emacs 27.0.50 (build 3, x86_64-pc-linux-gnu, X
> toolkit, Xaw3d scroll bars)
>
>         Hyperbole:   7.0.3a
>         Sys Type:    x86_64-pc-linux-gnu
>         OS Type:     gnu/linux
>         Window Sys:  x
>         News Reader: Gnus v5.13
>
> Making completion list...
>

Not sure where that is coming from above.

> <(Read)> executes (man-show "grep")
>

Where is man-show defined.  I don't have it in Emacs 26.  Using the same
Emacs version as you but under MacOS.

Invoking man grep in the background
> if: Variable binding depth exceeds max-specpdl-sizeUnable to load color
> "unspecified-bg"
> Unable to load color "unspecified-fg"
> car: Variable binding depth exceeds max-specpdl-size
> next-line: End of buffer
>
> Seems like you have loaded something outside of Hyperbole that has caused
an infinite loop, maybe improperly overloading a standard man function.

Try starting with no initializations and then loading Hyperbole manually.

Bob