Clarify or replace a few \u escapes.

* doc/lispref/nonascii.texi (Character Properties)
More-detailed commentary for \u escapes.
* lisp/progmodes/python.el (python--prettify-symbols-alist):
* lisp/replace.el (query-replace-from-to-separator):
* lisp/textmodes/rst.el (rst-bullets, rst-re-alist-def)
(rst-mode-syntax-table):
* lisp/whitespace.el (whitespace-display-mappings):
Prefer actual character to \u escape when this makes the code
easier to follow in the usual case where Unicode chars can be
displayed.

1 files changed, 3 insertions, 3 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 4fdf2ca8542..b641e300163 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -621,9 +621,9 @@ The type returned can be `comment', `string' or `paren'."
     (0 (ignore (python-syntax-stringify))))))
 
 (defconst python--prettify-symbols-alist
-  '(("lambda"  . ?\u03bb)
-    ("and" . ?\u2227)
-    ("or" . ?\u2228)))
+  '(("lambda"  . ?λ)
+    ("and" . ?∧)
+    ("or" . ?∨)))
 
 (defsubst python-syntax-count-quotes (quote-char &optional point limit)
   "Count number of quotes around point (max is 3).