In the man page for javac, the PROGRAMMATIC INTERFACE section contains two duplicated lines:

       JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
       JavaCompiler javac = ToolProvider.getSystemJavaCompiler();

I have checked that the bug is present in the following files:

./src/solaris/doc/sun/man/man1/ja/javac.1
./src/solaris/doc/sun/man/man1/javac.1
./src/linux/doc/man/ja/javac.1
./src/linux/doc/man/javac.1
./src/bsd/doc/man/javac.1