import_tokenisation

if an import is given an alias, then the base name is still available as a variable name and should not cause a conflict.
Only the alias binds in the importing file; the imported idea's base name may be reused for a local idea.
e. g.
The same rule applies to qualified imports with `as`.
Unaliased imports still bind the idea name and conflict with a local idea of that name.
Related: sensible_alias_support.

Interactive page: import_tokenisation