ruby-block-mid-re

ruby-block-mid-re is a variable defined in `ruby-mode.el'.
Its value is

"\\(?:e\\(?:ls\\(?:e\\|if\\)\\|nsure\\)\\|rescue\\|[tw]hen\\)"

• This variable may be risky if used as a file-local variable.

Documentation:
Regexp to match where the indentation gets shallower in middle of block statements.