@@ -1756,14 +1756,18 @@ class _MathStyle(enum.Enum):
17561756 \gtreqless \subseteqq \supseteqq \subsetneqq
17571757 \supsetneqq \lessapprox \approxeq \gtrapprox
17581758 \precapprox \succapprox \precnapprox \succnapprox
1759- \lnapprox \gnapprox \napprox \approxeq
1760- \approxident \lll \ggg \parallel
1761- \nparallel \Vdash \Vvdash \nVdash
1762- \nvdash \vDash \nvDash \nVDash
1759+ \npreccurlyeq \nsucccurlyeq \nsqsubseteq \nsqsupseteq
1760+ \sqsubsetneq \sqsupsetneq \nlesssim \ngtrsim
1761+ \nlessgtr \ngtrless \lnapprox \gnapprox
1762+ \napprox \approxeq \approxident \lll
1763+ \ggg \nparallel \Vdash \Vvdash
1764+ \nVdash \nvdash \vDash \nvDash
1765+ \nVDash \oequal \simneqq \triangle
17631766 \triangleq \triangleeq \triangleleft
17641767 \triangleright \ntriangleleft \ntriangleright
17651768 \trianglelefteq \ntrianglelefteq \trianglerighteq
17661769 \ntrianglerighteq \blacktriangleleft \blacktriangleright
1770+ \equalparallel \measuredrightangle \varlrtriangle
17671771 ''' .split ())
17681772
17691773_arrow_symbols = set (r'''