bpo-29521 Fix two minor documentation build warnings (#41) (#83)

Mariatta · web-flow · commit db3deb98e969 · 2017-02-14T08:54:59.000-08:00
Much of bpo-29521 was fixed in parallel with commit e7ffb99 . This cleans up the rest. Apply parallel change to Doc/make.bat to read "set SPHINXOPTS=-D latex_elements.papersize=" I don't have a Windows system on which to observe the warning, but it should be necessary. The warning: .../workspace/cpython_github/Doc/faq/windows.rst:303: WARNING: unknown option: -t In the Windows FAQ, `How do I keep editors from inserting tabs into my Python source?`, contained a reference to a Python -t option. In Python 2.x, this caused Python to issue warnings about lines with mixed spaces and tabs, but as of Python 3.6 it does nothing. Per discussion at http://bugs.python.org/issue29387, take their wording. Python [3] raises an IndentationError or TabError. Tabnanny is now a module. (cherry picked from commit 3d707be)
diff --git a/Doc/faq/windows.rst b/Doc/faq/windows.rst
@@ -300,9 +300,10 @@ this respect, and is easily configured to use spaces: Take :menuselection:`Tools
 --> Options --> Tabs`, and for file type "Default" set "Tab size" and "Indent
 size" to 4, and select the "Insert spaces" radio button.
 
-If you suspect mixed tabs and spaces are causing problems in leading whitespace,
-run Python with the :option:`-t` switch or run ``Tools/Scripts/tabnanny.py`` to
-check a directory tree in batch mode.
+Python raises :exc:`IndentationError` or :exc:`TabError` if mixed tabs 
+and spaces are causing problems in leading whitespace.
+You may also run the :mod:`tabnanny` module to check a directory tree 
+in batch mode.
 
 
 How do I check for a keypress without blocking?
diff --git a/Doc/make.bat b/Doc/make.bat
@@ -86,7 +86,7 @@ goto end
 
 :build
 if NOT "%PAPER%" == "" (
-    set SPHINXOPTS=-D latex_paper_size=%PAPER% %SPHINXOPTS%
+    set SPHINXOPTS=-D latex_elements.papersize=%PAPER% %SPHINXOPTS%
 )
 cmd /C %SPHINXBUILD% %SPHINXOPTS% -b%1 -dbuild\doctrees . %BUILDDIR%\%*
 

Original file line number	Diff line number	Diff line change
`@@ -86,7 +86,7 @@ goto end`
`86`	`86`
`87`	`87`	`:build`
`88`	`88`	`if NOT "%PAPER%" == "" (`
`89`		`- set SPHINXOPTS=-D latex_paper_size=%PAPER% %SPHINXOPTS%`
	`89`	`+ set SPHINXOPTS=-D latex_elements.papersize=%PAPER% %SPHINXOPTS%`
`90`	`90`	`)`
`91`	`91`	`cmd /C %SPHINXBUILD% %SPHINXOPTS% -b%1 -dbuild\doctrees . %BUILDDIR%\%*`
`92`	`92`