doc-src/Ref/abstract.txt

added delcongs, Delcongs, unsafe_solver, safe_solver, FOL_basic_ss,
safe_asm_more_full_simp_tac
new addss (old version retained as unsafe_addss),
new auto_tac (old version retained as unsafe_auto_tac),
clasimpset with modification functions

Isabelle Reference Manual.  Report 283

This manual is a comprehensive description of Isabelle, including all
commands, functions and packages.  Functions are organized according to the
task they perform.  In each section, basic functions appear before advanced
ones.  The Index provides an alphabetical listing.  It is intended as a
reference, not for casual reading.  The manual assumes familiarity with the
basic concepts explained in Report 280, Introduction to Isabelle.