% See the License for the specific language governing permissions and
% limitations under the License.
-%\usepackage{lmodern} % because standard font does not have a boldface ttfamily variant (so no tt keyword)
+\usepackage{lmodern} % because there is a bizarre 'pdfTeX error (font expansion): auto expansion is only possible with scalable fonts' unless
\usepackage{listings} % because we extends it
\usepackage{xcolor} % because we like colors