maint: Cuddle open bracket used for indexing C++ arrays in source code. * Array-util.cc, Array.cc, DASPK.cc, DASRT.cc, DASSL.cc, LSODE.cc, MatrixType.cc, Sparse.cc, Sparse.h, dim-vector.h, eigs-base.cc, idx-vector.cc, oct-alloc.cc, oct-locbuf.cc, oct-locbuf.h, oct-mem.h, oct-sort.cc, oct-time.cc, sparse-base-chol.cc, sparse-dmsolve.cc, ccolamd.cc, colamd.cc, spparms.cc, symbfact.cc, symrcm.cc, help.cc, ls-mat5.cc, pt-idx.cc, utils.cc, variables.cc, zfstream.cc: Cuddle open bracket used for indexing C++ arrays in source code.