Lots of latex fixes

Author: dham

doc/source/10_trees_and_directed_acyclic_graphs.rst

@@ -25,7 +25,7 @@ responsibility for translating the maths into code.
 The splat and double splat operators
 ------------------------------------
 
-.. dropdown:: Video: splat and double splat.
+.. details:: Video: splat and double splat.
 
     .. vimeo:: 523477744
 
@@ -251,7 +251,7 @@ Tree nodes with no children are called *leaf nodes*.
 Data structures for trees
 -------------------------
 
-.. dropdown:: Tree data structures.
+.. details:: Tree data structures.
 
     .. vimeo:: 523477713
 
@@ -329,7 +329,7 @@ to read! This is the reason that trees are often represented by diagrams.
 Traversing :class:`~example_code.graphs.TreeNode`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. dropdown:: Video: tree traversal.
+.. details:: Video: tree traversal.
 
     .. vimeo:: 523477719
 
@@ -648,7 +648,7 @@ in the case of :class:`Number` and a :class:`str` in the case of :class:`Symbol`
 Operations on expression trees
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. dropdown:: Video: evaluating expressions.
+.. details:: Video: evaluating expressions.
 
     .. vimeo:: 523478799
 

doc/source/11_further_object-oriented_features.rst

@@ -10,7 +10,7 @@ in the course so far.
 Decorators
 ----------
 
-.. dropdown:: Video: decorators.
+.. details:: Video: decorators.
 
     .. vimeo:: 526946976
 
@@ -203,7 +203,7 @@ ones. We will survey just a few here:
 Abstract base classes
 ---------------------
 
-.. dropdown:: Video: Abstract base classes.
+.. details:: Video: Abstract base classes.
 
     .. vimeo:: 526947635
 
@@ -382,7 +382,7 @@ second use of abstract base classes comes into play.
 Virtual subclasses
 ~~~~~~~~~~~~~~~~~~
 
-.. dropdown:: Video: virtual subclasses.
+.. details:: Video: virtual subclasses.
 
     .. vimeo:: 526947427
 

doc/source/1_introduction.rst

@@ -3,7 +3,7 @@
 Introduction: abstraction in mathematics and programming
 ========================================================
 
-.. dropdown:: Video introduction.
+.. details:: Video introduction.
 
     .. vimeo:: 486106801
 

doc/source/2_programs_in_files.rst

@@ -20,7 +20,7 @@ code really reusable by creating Python modules and packages.
 Setting up a Python environment for this course
 -----------------------------------------------
 
-.. dropdown:: Video: setting up your virtual environment.
+.. details:: Video: setting up your virtual environment.
 
     .. vimeo:: 486546635
 
@@ -87,7 +87,7 @@ Pip can also be used to upgrade a package to the latest version:
 The Python interpreter
 ----------------------
 
-.. dropdown:: Video: a first Python script.
+.. details:: Video: a first Python script.
 
     .. vimeo:: 486557682
 
@@ -266,7 +266,7 @@ shortly.
 Modules
 -------
 
-.. dropdown:: Video: a first Python module.
+.. details:: Video: a first Python module.
 
 .. vimeo:: 486845755
 
@@ -428,7 +428,7 @@ is in :ref:`the official Python documentation. <python:import>`
 Packages
 --------
 
-.. dropdown:: Video: a first Python package.
+.. details:: Video: a first Python package.
 
     .. vimeo:: 487003753
 
@@ -636,7 +636,7 @@ the package every time you change it.
 Testing frameworks
 ------------------
 
-.. dropdown:: Video: introducing Pytest.
+.. details:: Video: introducing Pytest.
 
     .. vimeo:: 486987209
 

doc/source/3_objects.rst

@@ -175,7 +175,7 @@ Python is an object, and every object has a type.
 Defining new types
 ------------------
 
-.. dropdown:: Video: a first class
+.. details:: Video: a first class
 
     .. vimeo:: 488143930
 
@@ -320,7 +320,7 @@ create a private attribute.
 Methods
 .......
 
-.. dropdown:: Video: defining methods
+.. details:: Video: defining methods
 
     .. vimeo:: 488273256
 
@@ -378,7 +378,7 @@ later, so that will be the one which is accessed.
 String representations of objects
 .................................
 
-.. dropdown:: Video: printing classes
+.. details:: Video: printing classes
 
     .. vimeo:: 488275072
 
@@ -484,7 +484,7 @@ We can now observe the difference in the result:
 Object equality
 ...............
 
-.. dropdown:: Video: object equality and test driven development
+.. details:: Video: object equality and test driven development
 
     .. vimeo:: 488981397
 
@@ -584,7 +584,7 @@ equality now behaves as we might expect.
 Defining arithmetic options on objects
 ......................................
 
-.. dropdown:: Video: polynomial addition.
+.. details:: Video: polynomial addition.
 
     .. vimeo:: 489009900
 

doc/source/4_style.rst

@@ -3,7 +3,7 @@
 A matter of style
 =================
 
-.. dropdown:: Video: why style?
+.. details:: Video: why style?
 
     .. vimeo:: 499766703
 
@@ -107,7 +107,7 @@ with code layout rules while this chapter roams more widely.
 Linters
 .......
 
-.. dropdown:: Video: installing and using a linter.
+.. details:: Video: installing and using a linter.
 
 
     .. vimeo:: 499770130
@@ -154,7 +154,7 @@ to set up your editor to highlight flake8 incompatibilities in your source. For
 visual studio code, first open the command palette by typing :kbd:`control` +
 :kbd:`shift` + :kbd:`P` (:kbd:`⌘` + :kbd:`shift` + :kbd:`P` on Mac). There type
 "Python: Select Linter" to bring up the list of available linters, and select
-"flake8" from the dropdown list. The video above shows this process.
+"flake8" from the details list. The video above shows this process.
 
 How to tell Flake8 to shut up
 .............................

doc/source/5_abstract_data_types.rst

@@ -34,7 +34,7 @@ structures which could be used to implement them.
 Stacks
 ------
 
-.. dropdown:: Video: stacks as an abstract data type.
+.. details:: Video: stacks as an abstract data type.
 
 
     .. vimeo:: 506479213
@@ -280,7 +280,7 @@ tasks.
 Algorithmic complexity
 ----------------------
 
-.. dropdown:: Video: dynamic arrays and algorithmic complexity.
+.. details:: Video: dynamic arrays and algorithmic complexity.
 
 
     .. vimeo:: 506479208
@@ -552,7 +552,7 @@ this.
 Queues and deques
 -----------------
 
-.. dropdown:: Video: deques and ring buffers.
+.. details:: Video: deques and ring buffers.
 
     .. vimeo:: 506710190
 
@@ -610,7 +610,7 @@ Linked lists
 ------------
 
 
-.. dropdown:: Video: linked lists.
+.. details:: Video: linked lists.
 
     .. vimeo:: 506743244
 
@@ -774,7 +774,7 @@ based on ring buffers.
 The iterator protocol
 ---------------------
 
-.. dropdown:: Video: the iterator protocol.
+.. details:: Video: the iterator protocol.
 
     .. vimeo:: 506743250
 

doc/source/6_exceptions.rst

@@ -3,7 +3,7 @@
 Errors and exceptions
 =====================
 
-.. dropdown:: Video: errors and exceptions.
+.. details:: Video: errors and exceptions.
 
 
     .. vimeo:: 509280820
@@ -178,7 +178,7 @@ exceptions so there are many more defined in third-party packages.
 Tracebacks: finding errors
 --------------------------
 
-.. dropdown:: Video: tracebacks.
+.. details:: Video: tracebacks.
 
     .. vimeo:: 509280880
 
@@ -246,7 +246,7 @@ the call stack.
 The call stack
 ..............
 
-.. dropdown:: Video: the call stack.
+.. details:: Video: the call stack.
 
     .. vimeo:: 509281576
 
@@ -365,7 +365,7 @@ line of the iPython session.
 Raising exceptions
 ------------------
 
-.. dropdown:: Video: raising an exception.
+.. details:: Video: raising an exception.
 
     .. vimeo:: 509492490
 
@@ -479,7 +479,7 @@ distinction is of negligible importance for our current purposes.
 Handling exceptions
 -------------------
 
-.. dropdown:: Video: handling exceptions.
+.. details:: Video: handling exceptions.
 
     .. vimeo:: 509492495
 
@@ -580,7 +580,7 @@ version of :func:`gcd` then we have, as we might expect:
 Except clauses
 ..............
 
-.. dropdown:: Video: further exception handling.
+.. details:: Video: further exception handling.
 
     .. vimeo:: 509492496
 

doc/source/8_inheritance.rst

@@ -3,7 +3,7 @@
 Inheritance and composition
 ===========================
 
-.. dropdown:: Video: inheritance and composition.
+.. details:: Video: inheritance and composition.
 
     .. vimeo:: 516216973
 
@@ -95,7 +95,7 @@ a *has a* relationship, inheritance defines an *is a* relationship.
 An example from group theory
 ----------------------------
 
-.. dropdown:: Video: an example from group theory.
+.. details:: Video: an example from group theory.
 
     .. vimeo:: 516277973
 
@@ -299,7 +299,7 @@ is delegated to the group by calling :meth:`self.group.operation`.
 General linear groups
 ~~~~~~~~~~~~~~~~~~~~~
 
-.. dropdown:: Video: inheritance.
+.. details:: Video: inheritance.
 
     .. vimeo:: 516698411
 

doc/source/9_debugging.rst

@@ -145,7 +145,7 @@ called pdbpp.
 Using a graphical debugger
 --------------------------
 
-.. dropdown:: Video: using a graphical debugger.
+.. details:: Video: using a graphical debugger.
 
     .. vimeo:: 520604326
 
@@ -162,7 +162,7 @@ documentation on `using the Python debugger in Visual Studio Code
 Invoking a command-line debugger
 --------------------------------
 
-.. dropdown:: Video: command line debuggers.
+.. details:: Video: command line debuggers.
 
     .. vimeo:: 520605730
 
@@ -431,7 +431,7 @@ well-posed.
 Debugging tactics
 -----------------
 
-.. dropdown:: Video: minimal failing examples and bisection.
+.. details:: Video: minimal failing examples and bisection.
 
     .. vimeo:: 520604328
 

doc/source/_themes/finite_element/static/fenics.css_t

@@ -813,6 +813,29 @@ div.figure {
 
 span.strikethrough { text-decoration: line-through; }
 
+details {
+    background-clip: border-box;
+    background-color: #fff;
+    border: 1px solid rgba(0,0,0,0.125);
+    border-radius: .25rem;
+    display: flex;
+    flex-direction: column;
+    min-width: 0;
+    position: relative;
+    word-wrap: break-word;
+}
+
+details p {
+    padding-left: 1.5rem;
+}
+
+summary {
+    background-color: rgba(0,0,0,0.03);
+    border-bottom: 1px solid rgba(0,0,0,0.125);
+    margin-bottom: 0;
+    padding: 1em;
+}
+
 .video_wrapper {
   position: relative !important;
   padding-bottom: 57% !important;