add explanation and improve naming
XREF: library(main): define that main/0 calls main/1
ENHANCED: library(sandbox): error message if format is not used correctly.
Updated http
Updated http
ENHANCED: Provide start position of not-terminated quoted material.
Remove `atom' style check from the kernel.
Moved decl_no_effect(Goal) to system messages
Warn on style_check(?atom).
No longer use style_check(-atom)
Updated xpce, http and jasmine