[nongnu] elpa/projectile 0515f1b647 3/3: Extend the project.el integration docs

[ELPA Syncer]

branch: elpa/projectile
commit 0515f1b647be953183336074cffd02497c7f86b9
Author: Bozhidar Batsov <bozhidar@batsov.dev>
Commit: Bozhidar Batsov <bozhidar@batsov.dev>

    Extend the project.el integration docs
---
 doc/modules/ROOT/pages/usage.adoc | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/doc/modules/ROOT/pages/usage.adoc 
b/doc/modules/ROOT/pages/usage.adoc
index 63922d52c0..a383b393c5 100644
--- a/doc/modules/ROOT/pages/usage.adoc
+++ b/doc/modules/ROOT/pages/usage.adoc
@@ -391,9 +391,16 @@ Starting with version 2.7 Projectile bundles some 
integration with
 project lookup function (`projectile-project-root`) and project file
 lookup function (`projectile-project-files`).
 
+TIP: You can read more about the integration 
https://github.com/bbatsov/projectile/issues/1591[here].
+
 That's useful as some packages (e.g. `eglot`) support natively only
 `project.el`'s API for project discovery. Fortunately, `project.el`
 makes it easy to install additional project lookup functions and that's
 exactly what Projectile does.
 
-TIP: You can read more about the integration 
https://github.com/bbatsov/projectile/issues/1591[here].
+The popular `xref` package also relies on `project.el` to infers the project
+for use commands like `xref-find-references` (kbd:[M-?]), so it's useful to 
teach it
+about Projectile's project discovery logic.
+
+TIP: Projectile provides its own alternative to `xref-find-references` that's 
named
+`projectile-find-references` (kbd:[s-p ?] or kbd:[s-p s-x]) and is using 
`xref` internally.