Support escaped slash in double quotes "\/"

YAML 1.2 JSON compat

lib/yaml/scanner.py

diff --git a/lib/yaml/scanner.py b/lib/yaml/scanner.py
index 19d72e8..5126cf0 100644
--- a/lib/yaml/scanner.py
+++ b/lib/yaml/scanner.py
@@ -1175,6 +1175,7 @@
         u' ':   u'\x20',
         u'\"':  u'\"',
         u'\\':  u'\\',
+        u'/':   u'/',
         u'N':   u'\x85',
         u'_':   u'\xA0',
         u'L':   u'\u2028',

lib3/yaml/scanner.py

diff --git a/lib3/yaml/scanner.py b/lib3/yaml/scanner.py
index af940d3..775dbcc 100644
--- a/lib3/yaml/scanner.py
+++ b/lib3/yaml/scanner.py
@@ -1169,6 +1169,7 @@
         ' ':    '\x20',
         '\"':   '\"',
         '\\':   '\\',
+        '/':    '/',
         'N':    '\x85',
         '_':    '\xA0',
         'L':    '\u2028',