diff --git a/spec.txt b/spec.txt
@@ -44,7 +44,16 @@ questions it does not answer:
(John Gruber has also spoken [in favor of requiring the blank
lines](http://article.gmane.org/gmane.text.markdown.general/2146).)
-3. What is the exact rule for determining when list items get
+3. Is a blank line needed before an indented code block?
+ (`Markdown.pl` requires it, but this is not mentioned in the
+ documentation, and some implementations do not require it.)
+
+ ``` markdown
+ paragraph
+ code?
+ ```
+
+4. What is the exact rule for determining when list items get
wrapped in `<p>` tags? Can a list be partially "loose" and partially
"tight"? What should we do with a list like this?
@@ -59,7 +68,6 @@ questions it does not answer:
``` markdown
1. one
-
- a
- b
@@ -69,8 +77,26 @@ questions it does not answer:
(There are some relevant comments by John Gruber
[here](http://article.gmane.org/gmane.text.markdown.general/2554).)
-4. When list markers change from bullets to numbers, should we have
- two lists or one?
+5. Can list markers be indented? Can ordered list markers be right-aligned?
+
+ ``` markdown
+ 8. item 1
+ 9. item 2
+ 10. item 2a
+ ```
+
+6. Is this one list with a horizontal rule in its second item,
+ or two lists separated by a horizontal rule?
+
+ ``` markdown
+ * a
+ * * * * *
+ * b
+ ```
+
+7. When list markers change from numbers to bullets, do we have
+ two lists or one? (The markdown syntax description suggests two,
+ but the perl scripts and many other implementations produce one.)
``` markdown
1. fee
@@ -79,28 +105,37 @@ questions it does not answer:
- fum
```
-5. What are the precedence rules for the markers of inline structure?
+8. What are the precedence rules for the markers of inline structure?
For example, is the following a valid link, or does the code span
take precedence ?
``` markdown
- [foo `](bar)`
+ [a backtick (`)](/url) and [another backtick (`)](/url).
```
-6. What are the precedence rules for markers of emphasis and strong
+9. What are the precedence rules for markers of emphasis and strong
emphasis? For example, how should the following be parsed?
``` markdown
- *foo *bar** baz*
+ *foo *bar* baz*
+ ```
+
+10. What are the precedence rules between block-level and inline-level
+ structure? For example, how should the following be parsed?
+
+ ``` markdown
+ - `a long code span can contain a hyphen like this
+ - and it can screw things up`
```
-7. Can list items include headers?
+11. Can list items include headers? (`Markdown.pl` does not allow this,
+ but headers can occur in blockquotes.)
``` markdown
- # Heading
```
-8. Can link references be defined inside block quotes or list items?
+12. Can link references be defined inside block quotes or list items?
``` markdown
> Blockquote [foo].
@@ -108,6 +143,16 @@ questions it does not answer:
> [foo]: /url
```
+13. If there are multiple definitions for the same reference, which takes
+ precedence?
+
+ ``` markdown
+ [foo]: /url1
+ [foo]: /url2
+
+ [foo][]
+ ```
+
In the absence of a spec, early implementers consulted `Markdown.pl`
to resolve these ambiguities. But `Markdown.pl` was quite buggy, and
gave manifestly bad results in many cases, so it was not a