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diff --git a/terminaltables/github_table.py b/terminaltables/github_table.py
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+"""GithubFlavoredMarkdownTable class."""
+
+from terminaltables.ascii_table import AsciiTable
+from terminaltables.build import combine
+
+
+class GithubFlavoredMarkdownTable(AsciiTable):
+    """Github flavored markdown table.
+
+    https://help.github.com/articles/github-flavored-markdown/#tables
+
+    :ivar iter table_data: List (empty or list of lists of strings) representing the table.
+    :ivar dict justify_columns: Horizontal justification. Keys are column indexes (int). Values are right/left/center.
+    """
+
+    def __init__(self, table_data):
+        """Constructor.
+
+        :param iter table_data: List (empty or list of lists of strings) representing the table.
+        """
+        # Github flavored markdown table won't support title.
+        super(GithubFlavoredMarkdownTable, self).__init__(table_data)
+
+    def horizontal_border(self, _, outer_widths):
+        """Handle the GitHub heading border.
+
+        E.g.:
+        |:---|:---:|---:|----|
+
+        :param _: Unused.
+        :param iter outer_widths: List of widths (with padding) for each column.
+
+        :return: Prepared border strings in a generator.
+        :rtype: iter
+        """
+        horizontal = str(self.CHAR_INNER_HORIZONTAL)
+        left = self.CHAR_OUTER_LEFT_VERTICAL
+        intersect = self.CHAR_INNER_VERTICAL
+        right = self.CHAR_OUTER_RIGHT_VERTICAL
+
+        columns = list()
+        for i, width in enumerate(outer_widths):
+            justify = self.justify_columns.get(i)
+            width = max(3, width)  # Width should be at least 3 so justification can be applied.
+            if justify == 'left':
+                columns.append(':' + horizontal * (width - 1))
+            elif justify == 'right':
+                columns.append(horizontal * (width - 1) + ':')
+            elif justify == 'center':
+                columns.append(':' + horizontal * (width - 2) + ':')
+            else:
+                columns.append(horizontal * width)
+
+        return combine(columns, left, intersect, right)
+
+    def gen_table(self, inner_widths, inner_heights, outer_widths):
+        """Combine everything and yield every line of the entire table with borders.
+
+        :param iter inner_widths: List of widths (no padding) for each column.
+        :param iter inner_heights: List of heights (no padding) for each row.
+        :param iter outer_widths: List of widths (with padding) for each column.
+        :return:
+        """
+        for i, row in enumerate(self.table_data):
+            # Yield the row line by line (e.g. multi-line rows).
+            for line in self.gen_row_lines(row, 'row', inner_widths, inner_heights[i]):
+                yield line
+            # Yield heading separator.
+            if i == 0:
+                yield self.horizontal_border(None, outer_widths)