Decapitalize filenames in PREP doc

src/doc/en/prep/index.rst

@@ -35,10 +35,10 @@ Contents:
 .. toctree::
    :maxdepth: 2
 
-   Prelude - Getting Logged In <Logging-On>
-   Introductory Tutorial <Intro-Tutorial>
-   Basic Symbolics and Plotting <Symbolics-and-Basic-Plotting>
-   Calculus <Calculus>
-   Introductory Programming <Programming>
-   Advanced 2D Plotting <Advanced-2DPlotting>
+   Prelude - Getting Logged In <logging-on>
+   Introductory Tutorial <intro-tutorial>
+   Basic Symbolics and Plotting <symbolics-and-basic-plotting>
+   Calculus <calculus>
+   Introductory Programming <programming>
+   Advanced 2D Plotting <advanced-2D-plotting>
    Quickstart Tutorials <quickstart>

src/doc/en/prep/Intro-Tutorial.rst → src/doc/en/prep/intro-tutorial.rst

@@ -14,9 +14,9 @@ by NSF DUE 0817071).  It is licensed under the Creative Commons
 Attribution\-ShareAlike 3.0 license (`CC BY\-SA
 <http://creativecommons.org/licenses/by-sa/3.0/>`_).
 
-If you are unsure how to log on to a Sage server, start using a local 
-installation, or to create a new worksheet, you might find the 
-:doc:`prelude on logging in <Logging-On>` helpful.
+If you are unsure how to log on to a Sage server, start using a local
+installation, or to create a new worksheet, you might find the
+:doc:`prelude on logging in <logging-on>` helpful.
 
 Otherwise, you can continue with this tutorial, which has the
 following sections:

src/doc/en/prep/Logging-On.rst → src/doc/en/prep/logging-on.rst

@@ -19,7 +19,7 @@ This document describes how to get into a Sage worksheet in the first
 place. If you already feel comfortable with this process, or at least
 comfortable enough to see how to actually use Sage, the main content of
 the tutorials begins with :doc:`the introductory tutorial
-<Intro-Tutorial>`.
+<intro-tutorial>`.
 
 There are three main types of worksheets for Sage, all of which have
 somewhat similar behavior.
@@ -46,7 +46,7 @@ Sage you may see a screen like this.
 
 There are three actions you can take, each of which is highlighted
 in the next picture.  Note that if you have no previous worksheets,
-the third option to "export" them will not make sense.  
+the third option to "export" them will not make sense.
 
 .. image:: media/NotebookExportDetails.png
     :align: center

src/doc/en/prep/quickstart.rst

@@ -19,20 +19,20 @@ reference manual.
 
 Finally, the last tutorial is a special one introducing the reader to
 creation of interactive material in Sage.  It's highly recommended that
-you study the :doc:`Programming tutorial <Programming>` before tackling
+you study the :doc:`Programming tutorial <programming>` before tackling
 this one.
 
 Contents:
 
 .. toctree::
    :maxdepth: 2
 
-   Abstract Algebra <Quickstarts/Abstract-Algebra>
-   Differential Equations <Quickstarts/Differential-Equations>
-   Graph Theory/Discrete Math <Quickstarts/Graphs-and-Discrete>
-   Linear Algebra <Quickstarts/Linear-Algebra>
-   Multivariable Calculus <Quickstarts/Multivariable-Calculus>
-   Numerical Analysis <Quickstarts/NumAnalysis>
-   Number Theory/Cryptography <Quickstarts/Number-Theory>
-   Statistics and Distributions <Quickstarts/Statistics-and-Distributions>
-   Creating Interacts <Quickstarts/Interact>
+   Abstract Algebra <quickstarts/abstract-algebra>
+   Differential Equations <quickstarts/differential-equations>
+   Graph Theory/Discrete Math <quickstarts/graphs-and-discrete>
+   Linear Algebra <quickstarts/linear-algebra>
+   Multivariable Calculus <quickstarts/multivariable-calculus>
+   Numerical Analysis <quickstarts/numerical-analysis>
+   Number Theory/Cryptography <quickstarts/number-theory>
+   Statistics and Distributions <quickstarts/statistics-and-distributions>
+   Creating Interacts <quickstarts/interact>

src/doc/en/prep/Quickstarts/Graphs-and-Discrete.rst → src/doc/en/prep/quickstarts/graphs-and-discrete.rst

@@ -253,7 +253,7 @@ Cryptography (for education)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 This is also briefly mentioned in the :doc:`Number theory quickstart
-<Number-Theory>`. Sage has a number of good pedagogical resources
+<number-theory>`. Sage has a number of good pedagogical resources
 for cryptography.
 
 .. skip

src/doc/en/prep/Quickstarts/Interact.rst → src/doc/en/prep/quickstarts/interact.rst

@@ -45,7 +45,7 @@ This was important because it allowed you to step back and think about
 what you would really be doing.
 
 Now for the technical part.  We make this a ``def`` function \- see the
-:doc:`programming tutorial <../Programming>`.
+:doc:`programming tutorial <../programming>`.
 
 ::
 

src/doc/en/prep/Quickstarts/Linear-Algebra.rst → src/doc/en/prep/quickstarts/linear-algebra.rst

@@ -17,7 +17,7 @@ Linear algebra underpins a lot of Sage's algorithms, so it is fast,
 robust and comprehensive.  We've already seen some basic linear algebra,
 including matrices, determinants, and the ``.rref()`` method for
 row-reduced echelon form in the :doc:`Programming Tutorial
-<../Programming>`, so the content here continues from there to some
+<../programming>`, so the content here continues from there to some
 extent.
 
 Matrices and Vectors
@@ -289,7 +289,7 @@ As you might expect, random matrices are random.
     sage: H.eigenvalues() # random
     [-10.08361801792048?, -2.682220984496031?, 4.739405672111427?, -1.320116668180795? - 10.88676412262347?*I, -1.320116668180795? + 10.88676412262347?*I]
 
-According to the :doc:`Numerical analysis quickstart <NumAnalysis>`,
+According to the :doc:`Numerical analysis quickstart <numerical-analysis>`,
 the question marks indicate that the actual
 number is inside the interval found by incrementing and
 decrementing the last digit of the printed number.  So 9.1? is a number

src/doc/en/prep/Quickstarts/Multivariable-Calculus.rst → src/doc/en/prep/quickstarts/multivariable-calculus.rst

@@ -105,7 +105,7 @@ substitute explicitly.
 
 Here we compute the arclength between :math:`t=0` and :math:`t=1` by
 integrating the normalized derivative. As pointed out in the
-:doc:`calculus tutorial <../Calculus>`, the syntax for
+:doc:`calculus tutorial <../calculus>`, the syntax for
 ``numerical_integral`` is slightly nonstandard -- we just put in the
 endpoints, not the variable.