Update the required Emacs version in the docs

Author: bbatsov

doc/modules/ROOT/pages/about/compatibility.adoc

@@ -2,7 +2,7 @@
 
 == Emacs
 
-CIDER supports Emacs 25.1+. More generally we try to support the last 3 major Emacs releases
+CIDER supports Emacs 26.1+. More generally we try to support the last 3 major Emacs releases
 when that's feasible and doesn't add a lot of maintenance overhead.
 
 NOTE: We pay special attention to supporting whatever Emacs is bundled with the current stable Debian
@@ -96,6 +96,20 @@ Below you can find the official compatibility matrix for CIDER.
 | 8
 | 1.8
 
+| 1.1
+| 25.1
+| 0.6
+| 0.25
+| 8
+| 1.8
+
+| 1.2
+| 26.1
+| 0.9
+| 0.25
+| 8
+| 1.8
+
 |===
 
 TIP: You can also check the requirements of a particular CIDER version by inspecting

doc/modules/ROOT/pages/basics/installation.adoc

@@ -12,7 +12,7 @@ release. If you're new to Emacs you might want to go through
 https://www.gnu.org/software/emacs/tour/index.html[the guided tour of Emacs]
 and the built-in tutorial (just press kbd:[C-h t]).
 
-CIDER officially supports Emacs 25.1+, Java 8+ and Clojure(Script)
+CIDER officially supports Emacs 26.1+, Java 8+ and Clojure(Script)
 1.8+.  CIDER 0.17 (Andalucía) was the final release which supported
 Java 7 and Clojure(Script) 1.7.
 

doc/modules/ROOT/pages/faq.adoc

@@ -18,7 +18,7 @@ Yes.
 
 == What are CIDER's installation prerequisites?
 
-CIDER officially supports Emacs 25.1+, Java 8+ and Clojure(Script) 1.8+.
+CIDER officially supports Emacs 26.1+, Java 8+ and Clojure(Script) 1.8+.
 
 NOTE: CIDER 0.17 was the final release which supported Java 7 and Clojure(Script) 1.7.
 

test/cider-util-tests.el

@@ -163,13 +163,11 @@ buffer."
       (with-clojure-buffer "(1 2 3|)"
         (expect (cider-list-at-point) :to-equal "(1 2 3)")))
 
-    ;; doesn't work on Emacs 25
-    (xit "handles leading @ reader macro properly"
+    (it "handles leading @ reader macro properly"
       (with-clojure-buffer "@(1 2 3|)"
         (expect (cider-list-at-point) :to-equal "@(1 2 3)")))
 
-    ;; doesn't work on Emacs 25
-    (xit "handles leading ' reader macro properly"
+    (it "handles leading ' reader macro properly"
       (with-clojure-buffer "'(1 2 3|)"
         (expect (cider-list-at-point) :to-equal "'(1 2 3)")))