Meta/Docs: Update Emacs requirement to 26.1

ts.el requires 26.1+.

See alphapapa#107.  Thanks to Neil M. (@ngm) for reporting.

README.org

@@ -67,11 +67,12 @@ Just install the =org-super-agenda= package!
 
 If you want to install manually, you must also install these packages:
 
-+  Emacs >= 25.1
++  Emacs >= 26.1
 +  =dash= >= 2.13
 +  =ht= >=2.2
 +  =org-mode= >= 9.0
 +  =s= >= 1.10
++  =ts=
 
 Then put =org-super-agenda.el= in your =load-path=, and eval =(require 'org-super-agenda)=.
 
@@ -229,6 +230,7 @@ These selectors take one argument alone, or multiple arguments in a list.
 
 *Changed*
 +  Group headers face is now appended to face list instead of overriding it.
++  Minimum Emacs version requirement is now 26.1 (required by =ts= library).
 
 *Fixed*
 +  =:children todo= group selection ([[https://github.com/alphapapa/org-super-agenda/issues/75][#75]]).  (Thanks to [[https://github.com/bleggett][Ben Leggett]] and [[https://github.com/whirm][Elric Milon]].)

org-super-agenda.el

@@ -3,7 +3,7 @@
 ;; Author: Adam Porter <[email protected]>
 ;; Url: http://github.com/alphapapa/org-super-agenda
 ;; Version: 1.2-pre
-;; Package-Requires: ((emacs "25.1") (s "1.10.0") (dash "2.13") (org "9.0") (ht "2.2") (ts "0.2"))
+;; Package-Requires: ((emacs "26.1") (s "1.10.0") (dash "2.13") (org "9.0") (ht "2.2") (ts "0.2"))
 ;; Keywords: hypermedia, outlines, Org, agenda
 
 ;;; Commentary:
@@ -1092,7 +1092,7 @@ actually the ORDER for the groups."
 ;;;; Finalize filter
 
 (defun org-super-agenda--filter-finalize-entries (string)
-  "Filter the return of `org-agenda-finalize-entries' through `org-super-agenda--finalize-entries'."
+  "Filter the return of `org-agenda-finalize-entries' through `org-super-agenda--group-items'."
   (--> string
        (split-string it "\n" 'omit-nulls)
        org-super-agenda--group-items

org-super-agenda.info

@@ -146,11 +146,12 @@ File: README.info,  Node: Manual installation,  Prev: MELPA,  Up: Installation
 
 If you want to install manually, you must also install these packages:
 
-   • Emacs >= 25.1
+   • Emacs >= 26.1
    • dash >= 2.13
    • ht >=2.2
    • org-mode >= 9.0
    • s >= 1.10
+   • ts
 
    Then put org-super-agenda.el in your load-path, and eval
 (require 'org-super-agenda).
@@ -519,6 +520,8 @@ File: README.info,  Node: 12-pre,  Next: 111,  Up: Changelog
    *Changed*
    • Group headers face is now appended to face list instead of
      overriding it.
+   • Minimum Emacs version requirement is now 26.1 (required by ts
+     library).
 
    *Fixed*
    • :children todo group selection (#75
@@ -685,25 +688,25 @@ Node: Screenshots2385
 Node: Installation2622
 Node: MELPA2783
 Node: Manual installation2930
-Node: Usage3321
-Node: Examples4297
-Node: Group selectors7782
-Node: Keywords8971
-Node: Special selectors9712
-Node: Normal selectors12756
-Node: Tips17387
-Node: Changelog18238
-Node: 12-pre18463
-Node: 11120019
-Node: 1120192
-Node: 10321764
-Node: 10221975
-Node: 10122109
-Node: 10022447
-Node: Development22552
-Node: Bugs22954
-Node: Tests23607
-Node: Credits23926
+Node: Usage3331
+Node: Examples4307
+Node: Group selectors7792
+Node: Keywords8981
+Node: Special selectors9722
+Node: Normal selectors12766
+Node: Tips17397
+Node: Changelog18248
+Node: 12-pre18473
+Node: 11120113
+Node: 1120286
+Node: 10321858
+Node: 10222069
+Node: 10122203
+Node: 10022541
+Node: Development22646
+Node: Bugs23048
+Node: Tests23701
+Node: Credits24020
 
 End Tag Table