hs-block-start-mdata-select

hs-block-start-mdata-select is a variable defined in `hideshow.el'.
Its value is

nil

• Automatically becomes buffer-local when set.

Documentation:
Element in `hs-block-start-regexp' match data to consider as block start.
The internal function `hs-forward-sexp' moves point to the beginning of this
element (using `match-beginning') before calling `hs-forward-sexp-func'.