fix(emacs/lean-syntax): weird syntax-hightlight problem"
feat(frontends/lean): persistent notation in sections

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
fix(frontends/lean/inductive_cmd): bug when elaborating inductive tyoe parameters

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
fix(frontends/lean/inductive_cmd): bug when elaborating inductive tyoe parameters