Treat empty triple quote

Fix #70

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 4671d9f0f1aa66a06a658e5f93fbf7f84c7a65a4..7cfbb34aea398c2088e182e8008532c5fff520b8 100644 (file)
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -465,6 +465,7 @@ This variant of `rx' supports common python named REGEXPS."
   ;; string delimiters.  Fixme: Is there a better way?
   ;; First avoid a sequence preceded by an odd number of backslashes.
   `((,(concat "\\(?:\\([RUru]\\)[Rr]?\\|^\\|[^\\]\\(?:\\\\.\\)*\\)" ;Prefix.
+              "\\(?:''''''\\|\"\"\"\"\"\"\\)" ; Empty triple-quote
               "\\(?:\\('\\)'\\('\\)\\|\\(?2:\"\\)\"\\(?3:\"\\)\\)")
      (3 (python-quote-syntax)))))