COMMENT ā VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 Looking at intro1.tex and intro1.dvi. C00003 ENDMK Cā; Looking at intro1.tex and intro1.dvi. The first line says centerline and intro1.tex; that says to take what ever lies inside the braces, and center it on one line. Inside the braces we have \bf