style: comment changes

* tests/testsuite.at: here.

tests/testsuite.at

@@ -17,40 +17,40 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-# Testing resistance to user bugs.
+# Resistance to user bugs.
 m4_include([input.at])
 
-# Testing named references.
+# Named references.
 m4_include([named-refs.at])
 
-# Testing output file names.
+# Output file names.
 m4_include([output.at])
 
-# Testing skeleton support.
+# Skeleton support.
 m4_include([skeletons.at])
 
-# Testing the part of the engine that computes FOLLOW etc.
+# The part of the engine that computes FOLLOW etc.
 m4_include([sets.at])
 
-# Testing grammar reduction.
+# Grammar reduction.
 m4_include([reduce.at])
 
-# Testing generated reports.
+# Generated reports.
 m4_include([report.at])
 
-# Testing conflicts detection and resolution.
+# Conflicts detection and resolution.
 m4_include([conflicts.at])
 
-# Testing that #lines are correct.
+# Support for #lines.
 m4_include([synclines.at])
 
-# Testing that headers are sane.
+# Generated headers sanity.
 m4_include([headers.at])
 
-# Testing that user actions are properly performed.
+# User actions.
 m4_include([actions.at])
 
-# Testing semantic types support.
+# Semantic types support.
 m4_include([types.at])
 
 # Fulling testing (compilation and execution of the parser) on calc.
@@ -60,23 +60,23 @@ m4_include([calc.at])
 # Torturing the stack expansion at runtime.
 m4_include([torture.at])
 
-# Checking big, real world grammars.
+# Big, real world grammars.
 m4_include([existing.at])
 
 # Some old bugs.
 m4_include([regression.at])
 
-# Push parsing specific tests.
+# Push parser.
 m4_include([push.at])
 
-# Some C++ specific tests.
+# Parsers in C++.
 m4_include([c++.at])
 
-# And some Java specific tests.
+# Parsers in Java.
 m4_include([java.at])
 m4_include([javapush.at])
 
-# GLR tests:
+# GLR.
 # C++ types, simplified
 m4_include([cxx-type.at])
 # Regression tests