@item lang.opt
This file registers the set of switches that the front end accepts on
-the command line, and their --help text. The file format is
+the command line, and their @option{--help} text. The file format is
documented in the file @file{c.opt}. These files are processed by the
script @file{opts.sh}.
@item lang-specs.h
There is also an extra chapter called @file{gcc} containing a template for
creating new executable tests.
-The tests are run using two 'sh' scripts: run_acats and run_all.sh
-To run the tests using a simulator or a cross target, see the small
-customization section at the top of run_all.sh
+The tests are run using two @command{sh} scripts: @file{run_acats} and
+@file{run_all.sh}. To run the tests using a simulator or a cross
+target, see the small
+customization section at the top of @file{run_all.sh}.
These tests are run using the build tree: they can be run without doing
a @code{make install}.