updated docs and docstring

docs/install-manual-detailed.md

@@ -61,6 +61,7 @@ in parallel.
 You can find more background information and installation instructions
 [here](https://packaging.python.org/en/latest/extensions/#setting-up-a-build-environment-on-windows),
 [here](https://blogs.msdn.microsoft.com/pythonengineering/2016/04/11/unable-to-find-vcvarsall-bat/),
+[here](https://matthew-brett.github.io/pydagogue/python_msvc.html),
 or [here](http://stevedower.id.au/blog/building-for-python-3-5-part-two/).
 
 

wetb/prepost/mplutils.py

@@ -114,6 +114,10 @@ def match_axis_ticks(ax1, ax2, ax1_format=None, ax2_format=None):
 
 
 def one_legend(*args, **kwargs):
+    """First list all the axes as arguments. Any keyword arguments will be
+    passed on to ax.legend(). Legend will be placed on the last axes that was
+    passed as an argument.
+    """
     # or more general: not only simple line plots (bars, hist, ...)
     objs = []
     for ax in args: