* Bug 15308 fixed: evstr(['1;2' '3;4']) was not accepted, unlike ['1 2';'3 4']

* Bug 15308 fixed: evstr(['1;2' '3;4']) was not accepted, unlike ['1 2';'3 4']

 http://bugzilla.scilab.org/15308
 http://bugzilla.scilab.org/9838 (for comments)

 NEEDED to fix http://bugzilla.scilab.org/9839 (ascii(10))

 * evstr() page basically improved
   - short description now indicates the concatenation
   - syntaxes unfolded
   - description:
      - concatenation effects now indicated
      - constrains on compatible types and sizes of results are now indicated
      - restrictions (no .., =) now indicated for subExpr as well
   - See also: sci2exp added
   - History added

Change-Id: I66efe2350d342ac37267124b41bd08be57113771