Version 9.2 (bz 1891244)

- Unbundle widgetsnbextension (bz 1856311)
- Unbundle mathjax fonts (bz 1875606)
- Do not require the -doc subpackage from the main package (bz 1867123)
- Drop upstreamed patches: -ecl, -fes, -includes, -sagetex, -sigfpe, -sympy

sagemath-fes-build.patch

@@ -1,7 +1,7 @@
 diff -up src/sage/libs/fes.pyx.orig src/sage/libs/fes.pyx
---- src/sage/libs/fes.pyx.orig	2019-01-14 17:16:03.000000000 -0700
-+++ src/sage/libs/fes.pyx	2019-02-07 08:30:50.024227599 -0700
-@@ -11,7 +11,7 @@ variables. Performing a full exhaustive
+--- src/sage/libs/fes.pyx.orig	2020-10-30 11:34:23.271984468 -0600
++++ src/sage/libs/fes.pyx	2020-10-30 14:44:49.462736771 -0600
+@@ -14,7 +14,7 @@ variables. Performing a full exhaustive
  take a **long** time. The number of variables can be artificially
  reduced to 64 by specializing some of them.
  
@@ -10,7 +10,7 @@ diff -up src/sage/libs/fes.pyx.orig src/sage/libs/fes.pyx
  non-linear.
  
  AUTHORS:
-@@ -71,7 +71,7 @@ from cysignals.signals cimport sig_on, s
+@@ -72,7 +72,7 @@ from cysignals.signals cimport sig_on, s
  cdef extern from "fes_interface.h":
      ctypedef int (*solution_callback_t)(void *, uint64_t)
  
@@ -19,7 +19,7 @@ diff -up src/sage/libs/fes.pyx.orig src/sage/libs/fes.pyx
  
  
  from sage.rings.integer import Integer
-@@ -217,7 +217,7 @@ def exhaustive_search(eqs,  max_sols=Inf
+@@ -218,7 +218,7 @@ def exhaustive_search(eqs,  max_sols=Inf
  
      # ------- runs the library
      sig_on()