Support guessing even with a filename (#355)

This allows multiple lexers to support the same file extensions (say .pl for
prolog or perl).  When the file text is not provided, it will probably do
the wrong thing (so -N mode of pygmentize will still be a wild guess).

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/examplefiles/matlab_sample b/tests/examplefiles/matlab_sample
new file mode 100644
index 00000000..1834050c
--- /dev/null
+++ b/tests/examplefiles/matlab_sample
@@ -0,0 +1,27 @@
+function zz=sample(aa)
+%%%%%%%%%%%%%%%%%%
+% some comments
+%%%%%%%%%%%%%%%%%%
+
+x = 'a string';    % some 'ticks' in a comment
+y = 'a string with ''interal'' quotes';
+
+for i=1:20
+  disp(i);
+end
+
+a = rand(30);
+b = rand(30);
+
+c = a .* b ./ a \ (b .* a + b - a);
+
+c = a' * b';  % note: these ticks are for transpose, not quotes.
+
+disp('a comment symbol, %, in a string');
+
+!echo abc % this isn't a comment - it's passed to system command
+
+function y=myfunc(x)
+y = exp(x);
+
+