tuned signature;

proper Path.print for user messages;

discontinued cd, pwd;

tuned -- more standard operations;

File.bash_string operations in ML as in Scala -- exclusively for GNU bash, not perl and not user output; clarified treatment of whitespace in some bash scripts;

clarified treatment of DEL; tuned signature;

clarified RAW_ML_SYSTEM;

tuned;

Bash.process always uses a closed script instead of an open argument list, for extra robustness on Windows, where quoting is not well-defined; more robust File.bash_escape; more robust treatment of ML_OPTIONS; clarified prover args (again);

manage the underlying ML process in Scala;

clarified modules;

tuned signature;

Merge

Wenda Li's new material: residue theorem, argument_principle, Rouche_theorem

explicit record values for dictionary variables

provide explicit hint concering uniqueness of derivation

syntax for multiset membership modelled after syntax for set membership

made 'size' plugin compatible with locales again (and added regression test)

strengthened tactic

complex_differentiable -> field_differentiable, etc. (making these theorems also available for type real)

new material to Blochj's theorem, as well as supporting lemmas

merged

less resetting of local theories

avoid redundant escapes;