Merge branch '21-debug' into 28-const-optional
Merge branch '27-more-news' into 28-const-optional
Merge branch '26-sym-binding' into 28-const-optional
Merge branch '27-more-news' into 28-const-optional
Merge branch '27-more-news' into 28-dupF-fix
Merge branch '27-more-news' into 28-applydefine
Merge branch '27-more-news' into 28-const-optional
Merge branch '27-more-news' into 28-dupF-fix
Merge branch '27-more-news' into 28-stackcheck-fix
Merge branch '26-misc' into 28-applydefine
Merge branch '26-misc' into 28-const-optional
Merge branch '26-misc' into 28-dupF-fix
Merge branch '26-misc' into 28-stackcheck-fix
Merge branch '21-manual' into 28-applydefine
Merge branch '21-manual' into 28-const-optional
Merge branch '21-manual' into 28-dupF-fix
Merge branch '21-manual' into 28-stackcheck-fix
Merge branch '21-manual' into 28-undo-context-chng
fix (long-standing) typos in configure.ac
new scheme, not working yet (or all written)