Add heuristic to distinguish RUNOFF from Roff

octocat · Jul 20, 2016 · 22609dc · 22609dc
1 parent 93341be
commit 22609dc
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/lib/linguist/heuristics.rb b/lib/linguist/heuristics.rb
@@ -359,6 +359,14 @@ def call(data)
       end
     end
 
+    disambiguate ".rno" do |data|
+      if /^\.!|^\.end lit(?:eral)?\b/i.match(data)
+        Language["RUNOFF"]
+      elsif /^\.\\" /.match(data)
+        Language["Groff"]
+      end
+    end
+
     disambiguate ".rpy" do |data|
       if /(^(import|from|class|def)\s)/m.match(data)
         Language["Python"]