Merge branch 'master' into box-expr-parsing

mathics_scanner/data/named-characters.yml

@@ -2120,6 +2120,7 @@ DirectedEdge:
   esc-alias: de
   has-unicode-inverse: false
   is-letter-like: false
+  operator-name: DirectedEdge
   unicode-equivalent: "\u2192"
   unicode-equivalent-name: RIGHTWARDS ARROW
   unicode-reference: https://www.compart.com/en/unicode/U+2192
@@ -3636,6 +3637,17 @@ Exists:
   wl-unicode: "\u2203"
   wl-unicode-name: THERE EXISTS
 
+# ExpectationE:
+# #  amslatex: "\\ExpectationE"
+# #  esc-alias: ee
+# #  has-unicode-inverse: true
+# #  is-letter-like: true
+# #  unicode-equivalent: "\u2147"
+# #  unicode-equivalent-name: DOUBLE-STRUCK ITALIC SMALL E
+# #  unicode-reference: https://www.compart.com/en/unicode/U+2147
+#   wl-reference: https://reference.wolfram.com/language/ref/character/ExpectationE.html
+#   wl-unicode: "\uF2D3"
+
 ExponentialE:
   amslatex: "\\ExponentialE"
   esc-alias: ee

mathics_scanner/data/operators-intro.yml

@@ -54,7 +54,7 @@
 #   WolframLanguageData: a "PrecedenceRanks" value returned using:
 #       WolframLanguageData[*operator_name*, "PrecedenceRanks"]
 #     Example:
-#       In[1] := WolframLanguageData[AddTo, "PrecedenceRanks"]
+#       In[1] := WolframLanguageData["AddTo", "PrecedenceRanks"]
 #       Out[1]= {{expr1 +=expr2 , AddTo[expr1 ,expr2]} -> 73
 #
 #     Note that 73 uses a diffrent precedence scheme than the one
@@ -63,9 +63,9 @@
 #     Also Note that WolframLanguageData can also be used to give the
 #     ASCII and unicode character representations:
 
-#       In[2] := WolframLanguageData[AddTo, "ShortNotations"]
+#       In[2] := WolframLanguageData["AddTo", "ShortNotations"]
 #       Out[2]= {+=}
-#       In[2] := WolframLanguageData[GreaterEqual, "ShortNotations"]
+#       In[2] := WolframLanguageData["GreaterEqual", "ShortNotations"]
 #       Out[7]= {>=, ≥}
 #
 #   usage: when it exists, an example of the use of this operator