If you place a
.. _This-is-ABC: in front of a headline,
you are defining a linktarget that you can later link to
(from the same manual):
If you link from another manual, you need to prepend the
shortcut for this manual, e.g.
For this to work, you must define the intersphinx shortcut
in the file Settings.cfg
in the manual you are linking from, e.g.:
t3install = https://docs.typo3.org/typo3cms/InstallationGuide/
ref-targets-list below creates an overview of the
linktargets defined in this manual.
More information: About Intersphinx and Cross references
in “ReST & Sphinx Cheat Sheet”.