Update SYMBOLS_MANIFEST.txt (#1311)

Author: mmatera

SYMBOLS_MANIFEST.txt

@@ -150,6 +150,7 @@ System`BesselK
 System`BesselY
 System`BesselYZero
 System`Beta
+System`Between
 System`BezierCurve
 System`BezierCurveBox
 System`BezierFunction
@@ -174,6 +175,7 @@ System`BoxData
 System`BoxMatrix
 System`BrayCurtisDistance
 System`Break
+System`Breakpoint
 System`Brown
 System`ButtonBox
 System`Byte
@@ -326,6 +328,7 @@ System`DigitCount
 System`DigitQ
 System`Dilation
 System`Dimensions
+System`DirectedEdge
 System`DirectedInfinity
 System`Directive
 System`Directory
@@ -475,6 +478,7 @@ System`FoldList
 System`FontColor
 System`For
 System`Format
+System`FormatValues
 System`FractionBox
 System`FractionalPart
 System`FreeQ
@@ -797,6 +801,7 @@ System`NotDoubleVerticalBar
 System`NotGreater
 System`NotGreaterEqual
 System`NotGreaterFullEqual
+System`NotGreaterGreater
 System`NotGreaterLess
 System`NotGreaterTilde
 System`NotLeftTriangle
@@ -1057,6 +1062,7 @@ System`Sech
 System`SeedRandom
 System`Select
 System`Sequence
+System`SequenceForm
 System`SequenceHold
 System`Series
 System`SeriesCoefficient
@@ -1069,7 +1075,6 @@ System`SetDirectory
 System`SetEnvironment
 System`SetFileDate
 System`SetOptions
-System`SequenceForm
 System`SetStreamPosition
 System`Share
 System`Sharpen
@@ -1184,6 +1189,7 @@ System`SymbolName
 System`SymbolQ
 System`SympyForm
 System`Syntax
+System`SyntaxQ
 System`Table
 System`TableForm
 System`TagBox
@@ -1236,6 +1242,7 @@ System`TooltipBox
 System`Top
 System`Total
 System`Tr
+System`Trace
 System`TraceBuiltins
 System`TraceEvaluation
 System`TraditionalForm
@@ -1253,6 +1260,7 @@ System`URLSave
 System`Uncompress
 System`Undefined
 System`Underflow
+System`UndirectedEdge
 System`Unequal
 System`Unevaluated
 System`UniformPolyhedron
@@ -1261,6 +1269,7 @@ System`Union
 System`UnionPlus
 System`Unique
 System`UnitConvert
+System`UnitStep
 System`UnitVector
 System`Unprotect
 System`UnsameQ