[3.15] gh-161039: Fix detection of less 706 and later by the pydoc pager (GH-161040) (#161148)

(cherry picked from commit 2f20512)

Co-authored-by: Todd Zullinger <tmz@pobox.com>
Co-authored-by: Stan Ulbrych <stan@python.org>

Author: 3 people

Lib/_pyrepl/pager.py

@@ -38,7 +38,7 @@ def get_pager() -> Pager:
         return lambda text, title='': tempfile_pager(plain(text), 'more <')
     if hasattr(os, 'system') and os.system('(pager) 2>/dev/null') == 0:
         return lambda text, title='': pipe_pager(text, 'pager', title)
-    if hasattr(os, 'system') and os.system('(less) 2>/dev/null') == 0:
+    if hasattr(os, 'system') and os.system('(less -V) >/dev/null 2>&1') == 0:
         return lambda text, title='': pipe_pager(text, 'less', title)
 
     import tempfile

Misc/NEWS.d/next/Library/2026-10-31-21-34-00.gh-issue-161039.k7_pTD.rst

@@ -0,0 +1 @@
+Fix the :mod:`pydoc` pager not detecting ``less`` 706 and newer.