Trac #15008: fix some typos in the documentation
Replace 'four' by 'five' in documentation to match number of list items
python-sage provide SAGE_ETC (#14750)
also provide sage.env.SAGE_ETC
# Fri Jul 05 01:45:09 2013 -0400

# Node ID 00e6103486ee0c8d4530d675846a867864a08dc4
# Parent  fa291987c5720c62006475a2d44bd36af40cda50
More invariant theory and Weierstrass form for biquadratic in P^3
added Kodaira map
allow morphisms from toric varieties to projective space
Mostly minor changes to Volkers patch.
More docstrings and typos.
Added exception for what appears to be a doctest but is not.
Finished doctests.
Some minor review changes of 15231.
is_linear_extension on posets is rather liberal
is_linear_extension on posets is rather liberal : updating linear_extensions.py
added missing case in chord_and_tangent
Improved knapsack's docstring
Improved knapsack's docstring -- review
Cleanup in numerical.knapsack
Use foo from path when running sage --foo
trac #15467: Partitions should check its input "a bit" more carefully