st: Opening a particular section of a help file

[Sergiy Radyakin <serjradyakin@gmail.com>]

A help file might have multiple sections where one can jump following
the link (usually somewhere at the top of the file, perhaps even a
small ToC).

Here is an example:
help regress
(note you see 'help regress' in the help window address bar)
then click on the "display_options"
(note you see 'help regress##display_options' in the help window address bar)

However, if I try to type this command in Stata's command prompt:
help regress##display_options
I get a "nothing found" response (and same for one #-sign, just in
case). Typing the command within the help viewer is ok, and I get
transferred to the correct section.

The links themselves are made with the {viewerjumpto ... } command
which seems to be part of the viewer/help subsystem, but not
understood within SMCL.

Is there any way to create an SMCL link (in the output window) to e.g.
the 'display_options' section of the 'regress.sthlp' directly?

Thank you, Sergiy Radyakin
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