(lazy-shot-lock-extent): Use it.
(lazy-shot-fontify-region): Dumb implementation added.
(lazy-shot-unstall-after-fontify): Needed to disable lazy
fontifying after fontify-buffer.
(lazy-shot-unstall): Make sure buffer is left in a fontified state if
needed. Take optional argument.
(lazy-shot-lock-extent): Use it.
(lazy-shot-fontify-region): Dumb implementation added.
(lazy-shot-unstall-after-fontify): Needed to disable lazy
fontifying after fontify-buffer.
(lazy-shot-unstall): Make sure buffer is left in a fontified state if
needed. Take optional argument.