fix: clarify definition of a paragraph break (#9)

1.0-specification.norg

@@ -130,12 +130,17 @@ version: 1.0
 
 ** Paragraphs
    Paragraphs are then formed of consecutive {** paragraph segments}. A paragraph is terminated by:
-   - A <paragraph break> (two consecutive {*** line endings})
+   - A {$ paragraph break}
    - Any of the {* detached modifiers}
    - Any of the {** delimiting modifiers}
    - Any of the {** ranged tags}
    - Any of the {*** strong carryover tags}
 
+   $ Paragaph Break
+   A paragraph break is defined as an _empty line_. In the simplest case that means two consecutive
+   {*** line endings} but since Neorg is a /free-form/ markup language, a line which only contains
+   whitespace is also considered empty.
+
 * Detached Modifiers
   Norg has several detached modifiers. The name originates from their differentiation to the
   {* attached modifiers}, which will be discussed later.
@@ -241,8 +246,8 @@ version: 1.0
    Furthermore, in contrast to most other (standard) {* detached modifiers}, this detached modifier
    type has /no/ title, and affects the following `paragraph` instead of only the next
    {# paragraph segments}[paragraph segment]. Said paragraph then becomes the modifier's /content/.
-   This means that in order to terminate the detached modifier contents, you need two consecutive
-   {*** line endings} (see {# paragraph break}).
+   This means that in order to terminate the detached modifier contents, you need an empty line (see
+   {$ paragraph break}).
 
    Below you will find some examples of nestable detached modifiers.
 
@@ -460,7 +465,7 @@ version: 1.0
 ** Grouping
    Both nestable and range-able detached modifiers have a unique quality - when several consecutive
    modifiers /of the same type/ are encountered (by consecutive we mean _NOT_ separated via a
-   {# paragraph break}), they are treated as one whole <object>. This is crucial to understand as
+   {$ paragraph break}), they are treated as one whole <object>. This is crucial to understand as
    it is required for the many types of {** carryover tags} to function.
 
 *** Examples
@@ -482,7 +487,7 @@ version: 1.0
     |example
     - List item in one list
 
-    - This item is in another list, because we used a {# paragraph break} to split these items
+    - This item is in another list, because we used a {$ paragraph break} to split these items
     |end
 
 ** Delimiting Modifiers
@@ -1078,15 +1083,15 @@ version: 1.0
   +name attached modifier range
   - ::
     {* Attached modifiers} can only span at maximum a single {# paragraphs}[paragraph], i.e. they get
-    terminated as soon as they encounter a {# paragraph break}.
+    terminated as soon as they encounter a {$ paragraph break}.
 
     This means that this:
     |example
     *this
 
     text*
     |end
-    will *not* result in any bold text, as it's divided by a {# paragraph break}.
+    will *not* result in any bold text, as it's divided by a {$ paragraph break}.
     However, this:
     |example
     *this