Move xref integration documentation and rename variables.

1 files changed, 10 insertions, 4 deletions

diff --git a/README.md b/README.md
index 9aea088..de39c52 100644
--- a/README.md
+++ b/README.md
@@ -208,10 +208,7 @@ If you want to group buffers by persp-name in ibuffer buffer, use
             (unless (eq ibuffer-sorting-mode 'alphabetic)
               (ibuffer-do-sort-by-alphabetic))))
 ```
-**Xref**: You can isolate `xref--marker-ring` between perspectives by:
-```
-(add-hook 'persp-switch-hook #'persp-set-xref--marker-ring)
-```
+
 **Helm**: Perspective ships with buffer-listing advice for Helm, so Helm's
 buffer listing code should be automatically Perspective-aware when `persp-mode`
 is enabled. (Older versions of Helm relied on the machinery of `ido-mode` for
@@ -266,6 +263,15 @@ to use the replacements:
 ```
 
 
+### xref integration
+
+Users of the the built-in Emacs [xref](https://www.gnu.org/software/emacs/manual/html_node/emacs/Xref.html) cross-referencing system can isolate the xref marker ring (`xref--marker-ring`) between perspectives with this hook:
+
+```
+(add-hook 'persp-switch-hook #'persp-set-xref-marker-ring)
+```
+
+
 ## Saving Sessions to Disk
 
 A pair of functions, `persp-state-save` and `persp-state-load`, implement