* module/language/elisp/compile-tree-il.scm: Update for changes to
tree-il (lambda-case, mainly).
* module/language/elisp/spec.scm: Update GPL version to 3. Update reader
for new taking a port and environment argument.
* libguile/_scm.h: Bump objcode version.
* libguile/vm-i-system.c: Fix conflicts.
* module/Makefile.am: Fix conflicts, and add elisp modules to the build.
The real names \`, \, and \,@ should be used instead and are returned
now by the real reader.
* module/language/elisp/compile-tree-il.scm: Only accept correct names.
* module/language/elisp/compile-tree-il.scm: Move dynamic binding to one place
and changed names that refer to `fluids' for dynamic binding.
* module/language/elisp/bindings.scm: Changed names referring to `fluids'.
Affects so far let-bound symbols, lambda arguments to come in the future.
* module/language/elisp/README: Document it.
* module/language/elisp/compile-tree-il.scm: Add :always-lexical option.
* test-suite/tests/elisp-compiler.test: Test it.
* module/language/elisp/README: Document it.
* module/language/elisp/compile-tree-il.scm: Handle without-void-checks.
* test-suite/tests/elisp-compiler.test: Test it.
* module/language/elisp/README: Document it.
* module/language/elisp/compile-tree-il.scm: Implement guile-primitive.
* test-suite/tests/elisp-compiler.test: Switched a usage of guile-ref to
the now available guile-primitive.
* module/language/elisp/README: Document it.
* module/language/elisp/bindings.scm: New fields in bindings data structure
to keep track of lexical bindings for symbols.
* module/language/elisp/compile-tree-il.scm: Implement lexical-let(*).
* test-suite/tests/elisp-compiler.test: Test lexical scoping with lexical-let.
* module/language/elisp/README: Document the change.
* module/language/elisp/compile-tree-il.scm: Add disable-void-check option.
* test-suite/tests/elisp-compiler.test: Test it.
* module/language/elisp/README: Document it.
* module/language/elisp/compile-tree-il.scm: Implement flet and flet*.
* test-suite/tests/elisp-compiler.test: Test flet and flet*.
* module/language/elisp/README: Document it.
* module/language/elisp/compile-tree-il.scm: Moved ensure-fluid! to runtime function.
* module/language/elisp/runtime.scm: Runtime functions to support dynamic value access.
* module/language/elisp/runtime/function-slot.scm: Defined the built-ins.
* test-suite/tests/elisp-compiler.test: Test them.
* module/language/elisp/README: Document this.
* module/language/elisp/compile-tree-il.scm: Implement it here, pass bindings all around the compilation.
* module/language/elisp/bindings.scm: New module with symbol-tracking abilities needed for this.
* module/language/elisp/README: Document it and some further ideas written down.
* module/language/elisp/compile-tree-il.scm: Implement prog1, dolist.
* module/language/elisp/runtime/macro-slot.scm: prog2 and dotimes.
* test-suite/tests/elisp-compiler.test: Test prog1, prog2, dotimes, dolist.
* module/language/elisp/README: Document it.
* module/language/elisp/compile-tree-il.scm: Implement defmacro and expansion.
* module/language/elisp/runtime/macro-slot.scm: New module to keep definitions.
* test-suite/Makefile.am: Add elisp-compiler.test to list of tests.
* test-suite/tests/elisp-compiler.test: Basic macro tests.
* doc/ref/vm.texi: Document new instruction.
* libguile/vm-i-system.c: Add it to the VM.
* module/language/assembly.scm: Compile (const %nil) to (make-nil) assembly.
* module/language/glil/decompile-assembly.scm: Handle (make-nil)
* module/language/elisp/compile-tree-il.scm: Use (const %nil) for nil.
* module/language/elisp/README: New file containing some notes.
* module/language/elisp/compile-tree-il.scm: New file with compilation code.
* module/language/elisp/spec.scm: Updated language definition.
