roff: don't squeeze newlines inside code blocks

sunaku · Feb 21, 2016 · e0d7da6 · e0d7da6
1 parent 50b65cc
commit e0d7da6
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Showing 2 changed files with 38 additions and 1 deletion.
diff --git a/lib/md2man/roff.rb b/lib/md2man/roff.rb
@@ -16,7 +16,11 @@ def preprocess document
   end
 
   def postprocess document
-    super.lstrip.squeeze("\n") # squeeze \n\n to prevent double-spaced output
+    super.lstrip.
+
+    # squeeze newlines between roff directives to prevent double-spaced output
+    # and also at the end of the document, after the very last roff directive
+    gsub(/(\n){2,}(?=\.|\z)/, '\1')
   end
 
   #---------------------------------------------------------------------------

diff --git a/test/md2man/roff_test.rb b/test/md2man/roff_test.rb
@@ -520,6 +520,39 @@ def heredoc document
       |.RE
     OUTPUT
 
+    @markdown.render(heredoc(<<-INPUT)).must_equal(heredoc(<<-OUTPUT))
+      |    just some *paragraph*
+      |
+      |     spanning
+      |
+      |
+      |      **multiple**
+      |
+      |    >  lines
+      |    with 4-space indent
+      |
+      |
+      |    and blank lines within
+    INPUT
+      |.PP
+      |.RS
+      |.nf
+      |just some *paragraph*
+      |
+      | spanning
+      |
+      |
+      |  **multiple**
+      |
+      |>  lines
+      |with 4\\-space indent
+      |
+      |
+      |and blank lines within
+      |.fi
+      |.RE
+    OUTPUT
+
     @markdown.render(heredoc(<<-INPUT)).must_equal(heredoc(<<-OUTPUT))
       |normal paragraph line
       |