5: 1 syntactically invalid link or image
27: list entry is empty
39: heading level jumps from 3 to 5
48: heading level 3 is lower than sibling's level of 4 on line 44
52: the URI "//#label_exists_for_destination" points to the same place as the link reference labeled "label_exists_for_destination"
62: link label "::1" uses the same destination "http://localhost/" as link label "localhost" defined on line 61
66: link label "localhost-tls" defined before first reference on line 68
77: link label "link-label-duplicate" already defined on line 76
83: link label "never-referenced" defined but not used
88: link label "never-referenced" already defined on line 83
98: link reference definitions out of order; expected a definition for "twinkle", not "star"
108: wrong ordered list marker; expected "3." but found "4."
117: bullet list marker differs from the previous item's marker
126: list style changes from period-delimited to paren-delimited
133: missing blank line before first item of loose list
147: heading should not be inside an item
159: nothing separates the first line of this loose list and the preceding tight list ending on line 157
167: 1 undefined link reference: broken
169: 1 undefined link reference: broken
176: label "three" indented with 0 spaces; expected 2
177: label "link" indented with 1 space; expected 2
178: label "reference" indented with 3 spaces; expected 2
190: found 2 blank lines between loose list items; expected 1
191: found 0 blank lines between loose list items; expected 1
195: found 3 blank lines between loose list items; expected 1