Merge pull request #614 from mclow/patch-1

[re.results] Remove incorrect "shall".

Author: zygoloid

source/regex.tex

@@ -2551,7 +2551,7 @@
 \indextext{requirements!container}%
 \indextext{requirements!sequence}%
 \indextext{\idxcode{match_results}!as sequence}%
-The class template \tcode{match_results} shall satisfy the requirements of an
+The class template \tcode{match_results} satisfies the requirements of an
 allocator-aware container and of a sequence container, as specified
 in~\ref{sequence.reqmts}, except that only operations defined for const-qualified
 sequence containers are supported.