Fix table without body support to remark(3)

This adds support for properly detecting the following table in `gfm: true` mode: ```md | Alpha | Bravo | | ----- | ----- | ```
remarkjs · Jan 4, 2016 · 9a3bc47 · 9a3bc47
1 parent 1d36801
commit 9a3bc47
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Showing 4 changed files with 274 additions and 9 deletions.
diff --git a/lib/parse.js b/lib/parse.js
@@ -52,7 +52,7 @@ var HORIZONTAL_RULE_MARKER_COUNT = 3;
 var MIN_CLOSING_HTML_NEWLINE_COUNT = 2;
 var MIN_BREAK_LENGTH = 2;
 var MIN_TABLE_COLUMNS = 2;
-var MIN_TABLE_ROWS = 3;
+var MIN_TABLE_ROWS = 2;
 
 /*
  * Error messages.
@@ -3119,14 +3119,6 @@ function tokenizeTable(eat, value, silent) {
             eat(C_NEWLINE);
         }
 
-        /*
-         * Eat the alignment row.
-         */
-
-        if (position === 1) {
-            eat(alignments + C_NEWLINE);
-        }
-
         /*
          * Eat the row.
          */
@@ -3222,6 +3214,14 @@ function tokenizeTable(eat, value, silent) {
             preamble = false;
             index++;
         }
+
+        /*
+         * Eat the alignment row.
+         */
+
+        if (!position) {
+            eat(C_NEWLINE + alignments);
+        }
     }
 
     return table;

diff --git a/test/input/table-no-body.md b/test/input/table-no-body.md
@@ -0,0 +1,4 @@
+# Foo
+
+| Name | GitHub | Twitter |
+| ---- | ------ | ------- |
diff --git a/test/tree/table-no-body.json b/test/tree/table-no-body.json
@@ -0,0 +1,179 @@
+{
+  "type": "root",
+  "children": [
+    {
+      "type": "heading",
+      "depth": 1,
+      "children": [
+        {
+          "type": "text",
+          "value": "Foo",
+          "position": {
+            "start": {
+              "line": 1,
+              "column": 3
+            },
+            "end": {
+              "line": 1,
+              "column": 6
+            },
+            "indent": []
+          }
+        }
+      ],
+      "position": {
+        "start": {
+          "line": 1,
+          "column": 1
+        },
+        "end": {
+          "line": 1,
+          "column": 6
+        },
+        "indent": []
+      }
+    },
+    {
+      "type": "table",
+      "align": [
+        null,
+        null,
+        null
+      ],
+      "children": [
+        {
+          "type": "tableHeader",
+          "children": [
+            {
+              "type": "tableCell",
+              "children": [
+                {
+                  "type": "text",
+                  "value": "Name",
+                  "position": {
+                    "start": {
+                      "line": 3,
+                      "column": 3
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 7
+                    },
+                    "indent": []
+                  }
+                }
+              ],
+              "position": {
+                "start": {
+                  "line": 3,
+                  "column": 3
+                },
+                "end": {
+                  "line": 3,
+                  "column": 7
+                },
+                "indent": []
+              }
+            },
+            {
+              "type": "tableCell",
+              "children": [
+                {
+                  "type": "text",
+                  "value": "GitHub",
+                  "position": {
+                    "start": {
+                      "line": 3,
+                      "column": 10
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 16
+                    },
+                    "indent": []
+                  }
+                }
+              ],
+              "position": {
+                "start": {
+                  "line": 3,
+                  "column": 10
+                },
+                "end": {
+                  "line": 3,
+                  "column": 16
+                },
+                "indent": []
+              }
+            },
+            {
+              "type": "tableCell",
+              "children": [
+                {
+                  "type": "text",
+                  "value": "Twitter",
+                  "position": {
+                    "start": {
+                      "line": 3,
+                      "column": 19
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 26
+                    },
+                    "indent": []
+                  }
+                }
+              ],
+              "position": {
+                "start": {
+                  "line": 3,
+                  "column": 19
+                },
+                "end": {
+                  "line": 3,
+                  "column": 26
+                },
+                "indent": []
+              }
+            }
+          ],
+          "position": {
+            "start": {
+              "line": 3,
+              "column": 1
+            },
+            "end": {
+              "line": 3,
+              "column": 28
+            },
+            "indent": []
+          }
+        }
+      ],
+      "position": {
+        "start": {
+          "line": 3,
+          "column": 1
+        },
+        "end": {
+          "line": 4,
+          "column": 28
+        },
+        "indent": [
+          1
+        ]
+      }
+    }
+  ],
+  "position": {
+    "start": {
+      "line": 1,
+      "column": 1
+    },
+    "end": {
+      "line": 5,
+      "column": 1
+    }
+  }
+}
diff --git a/test/tree/table-no-body.nogfm.json b/test/tree/table-no-body.nogfm.json
@@ -0,0 +1,82 @@
+{
+  "type": "root",
+  "children": [
+    {
+      "type": "heading",
+      "depth": 1,
+      "children": [
+        {
+          "type": "text",
+          "value": "Foo",
+          "position": {
+            "start": {
+              "line": 1,
+              "column": 3
+            },
+            "end": {
+              "line": 1,
+              "column": 6
+            },
+            "indent": []
+          }
+        }
+      ],
+      "position": {
+        "start": {
+          "line": 1,
+          "column": 1
+        },
+        "end": {
+          "line": 1,
+          "column": 6
+        },
+        "indent": []
+      }
+    },
+    {
+      "type": "paragraph",
+      "children": [
+        {
+          "type": "text",
+          "value": "| Name | GitHub | Twitter |\n| ---- | ------ | ------- |",
+          "position": {
+            "start": {
+              "line": 3,
+              "column": 1
+            },
+            "end": {
+              "line": 4,
+              "column": 28
+            },
+            "indent": [
+              1
+            ]
+          }
+        }
+      ],
+      "position": {
+        "start": {
+          "line": 3,
+          "column": 1
+        },
+        "end": {
+          "line": 4,
+          "column": 28
+        },
+        "indent": [
+          1
+        ]
+      }
+    }
+  ],
+  "position": {
+    "start": {
+      "line": 1,
+      "column": 1
+    },
+    "end": {
+      "line": 5,
+      "column": 1
+    }
+  }
+}