command-parsing: Put balanced string examples in the right section.

Addressing code-review comments.

doc/pages/command-parsing.asciidoc

@@ -51,33 +51,7 @@ delimiter matches that of its opening delimiter (respectively, `)`, `]`,
 `}`, and `>`).
 
 There is no way to escape the opening and closing characters, even if they
-are nested inside some other kind of string. For example, this will **not**
+are nested inside some other kind of string.
-work, because the `{` in the map command interferes with the delimiters for the
-hook's command block:
-
-----
-# DOES NOT WORK
-hook global WinSetOption filetype=latex %{
-    map window user b 'o\begin{'
-}
-----
-
-You can solve this by using a different outer delimiter:
-
-----
-hook global WinSetOption filetype=latex %[
-    # Note different delimiter used -----^
-    map window user b o\begin{
-]
-----
-
-...or just by including matching delimiters inside comments:
-
-----
-hook global WinSetOption filetype=latex %{
-    map window user b o\begin{ # matched pair to keep Kakoune happy: }
-}
-----
 
 === Balanced Strings Examples
 
@@ -89,6 +63,10 @@ hook global WinSetOption filetype=latex %{
 
 - `"foo %{bar}"` is a single word whose content is *foo bar*.
 
+- `%{foo\{}` is a parse error, since the `{}` delimiters are not balanced.
+
+- `%[foo\{]` contains *foo\{*, since it uses different delimiters.
+
 == Non-Quoted words
 
 Other words are non-quoted.  Non-quoted words are terminated by either a