columns. DIALOG_SHIM would resize each separate usage to the same
size. DIALOG_SHIM now supports and alternate m_hash_key in lieu
of the class name, optionally.
File "rules" has instructional text as comments near top.
2) Convert all text files in repo to LF line ending form.
Any checkout done with "rules" in play will convert the working
tree to native line ending, while keeping repo as LF line ending.