maint: Wrap tertiary operator in parentheses "(COND ? x : y)". * Canvas.cc, color-picker.cc, dialog.cc, marker.cc, main-window.cc, Cell.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, bsxfun.cc, call-stack.cc, cellfun.cc, data.cc, defaults.cc, det.cc, eig.cc, error.cc, file-io.cc, filter.cc, find.cc, gammainc.cc, gcd.cc, gl-render.cc, graphics.cc, graphics.in.h, help.cc, hex2num.cc, inv.cc, load-save.cc, lookup.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, lu.cc, max.cc, mex.cc, oct-hist.cc, oct-map.cc, oct-procbuf.cc, oct-stream.cc, pr-output.cc, rand.cc, regexp.cc, schur.cc, str2double.cc, strfns.cc, symtab.cc, sysdep.cc, tril.cc, variables.cc, xdiv.cc, audiodevinfo.cc, audioread.cc, colamd.cc, gzip.cc, ov-base-diag.cc, ov-base-mat.h, ov-base-scalar.h, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-range.cc, ov-range.h, ov-struct.cc, ov-usr-fcn.cc, ov.cc, octave.cc, op-class.cc, pt-eval.cc, pt-funcall.cc, pt-idx.cc, pt-jit.cc, pt-stmt.cc, version.cc, Array-util.cc, Array.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CSparse.cc, Range.cc, Sparse.cc, chNDArray.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dSparse.cc, dim-vector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, idx-vector.cc, idx-vector.h, Faddeeva.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, fEIG.cc, gsvd.cc, lo-specfun.cc, oct-rand.cc, qr.cc, qrp.cc, randgamma.cc, schur.cc, svd.cc, Sparse-diag-op-defs.h, mx-inlines.cc, oct-env.cc, cmd-edit.cc, kpse.cc, oct-inttypes.h, oct-sort.cc: Wrap tertiary operator in parentheses "(COND ? x : y)".

--- a/libinterp/corefcn/regexp.cc	Thu Apr 27 15:18:20 2017 -0700
+++ b/libinterp/corefcn/regexp.cc	Thu Apr 27 17:33:10 2017 -0700
@@ -386,9 +386,9 @@
     {
       octave::regexp::match_data::const_iterator p = rx_lst.begin ();
 
-      retval(4) = sz ? p->tokens () : Cell ();
-      retval(3) = sz ? p->match_string () : "";
-      retval(2) = sz ? p->token_extents () : Matrix ();
+      retval(4) = (sz ? p->tokens () : Cell ());
+      retval(3) = (sz ? p->match_string () : "");
+      retval(2) = (sz ? p->token_extents () : Matrix ());
 
       if (sz)
         {
@@ -848,7 +848,7 @@
   octave_value_list retval;
 
   if (args(0).is_cell () || args(1).is_cell ())
-    retval = octcellregexp (args, (nargout > 0 ? nargout : 1), "regexp");
+    retval = (octcellregexp (args, (nargout > 0 ? nargout : 1), "regexp"));
   else
     retval = octregexp (args, nargout, "regexp");
 
@@ -1422,8 +1422,7 @@
           ret(i) = new_args(0);
         }
 
-      retval = args(0).is_cell () ? ovl (ret)
-                                  : ovl (ret(0));
+      retval = (args(0).is_cell () ? ovl (ret) : ovl (ret(0)));
     }
   else
     retval = octregexprep (args, "regexprep");