doc/sexp-queries: replace definition lists with block quotes.

This document contains meaningful markup in the terms, which makeinfo
complains about. Replace the use of definition lists with regular
paragraphs containing quote blocks. This is accomplished by splitting
the "term" from the definition with a blank line.

doc/man7/notmuch-sexp-queries.rst

@@ -31,10 +31,12 @@ An *s-expression* is either an atom, or list of whitespace delimited
 s-expressions inside parentheses. Atoms are either
 
 *basic value*
+
     A basic value is an unquoted string containing no whitespace, double quotes, or
     parentheses.
 
 *quoted string*
+
     Double quotes (") delimit strings possibly containing whitespace
     or parentheses. These can contain double quote characters by
     escaping with backslash. E.g. ``"this is a quote \""``.
@@ -48,9 +50,11 @@ a *field*, *logical operation*, or *modifier*, and 0 or more
 subqueries.
 
 ``*``
+
    "*" matches any non-empty string in the current field.
 
 ``()``
+
     The empty list matches all messages
 
 *term*
@@ -62,19 +66,23 @@ subqueries.
     phrase splitting see :any:`fields`.
 
 ``(`` *field* |q1| |q2| ... |qn| ``)``
+
     Restrict the queries |q1| to |qn| to *field*, and combine with *and*
     (for most fields) or *or*. See :any:`fields` for more information.
 
 ``(`` *operator* |q1| |q2| ... |qn| ``)``
+
     Combine queries |q1| to |qn|. Currently supported operators are
     ``and``, ``or``, and ``not``. ``(not`` |q1| ... |qn| ``)`` is equivalent
     to ``(and (not`` |q1| ``) ... (not`` |qn| ``))``.
 
 ``(`` *modifier* |q1| |q2| ... |qn| ``)``
+
     Combine queries |q1| to |qn|, and reinterpret the result (e.g. as a regular expression).
     See :any:`modifiers` for more information.
 
 ``(macro (`` |p1| ... |pn| ``) body)``
+
     Define saved query with parameter substitution. The syntax is
     recognized only in saved s-expression queries (see ``squery.*`` in
     :any:`notmuch-config(1)`). Parameter names in ``body`` must be
@@ -164,26 +172,31 @@ MODIFIERS
 that are neither operators nor fields.
 
 ``(infix`` *atom* ``)``
+
     Interpret *atom* as an infix notmuch query (see
     :any:`notmuch-search-terms(7)`). Not supported inside fields.
 
 ``(matching`` |q1| |q2| ... |qn| ``)`` ``(of`` |q1| |q2| ... |qn|  ``)``
+
     Match all messages have the same values of the current field as
     those matching all of |q1| ... |qn|. Supported in most term [#not-path]_ or
     phrase fields. Most commonly used in the ``thread`` field.
 
 ``(query`` *atom* ``)``
+
     Expand to the saved query named by *atom*. See
     :any:`notmuch-config(1)` for more. Note that the saved query must
     be in infix syntax (:any:`notmuch-search-terms(7)`). Not supported
     inside fields.
 
 ``(regex`` *atom* ``)`` ``(rx`` *atom* ``)``
+
     Interpret *atom* as a POSIX.2 regular expression (see
     :manpage:`regex(7)`). This applies in term fields and a subset [#not-phrase]_ of
     phrase fields (see :any:`field-table`).
 
 ``(starts-with`` *subword* ``)``
+
     Matches any term starting with *subword*.  This applies in either
     phrase or term :any:`fields <fields>`, or outside of fields [#not-body]_. Note that
     a ``starts-with`` query cannot be part of a phrase. The
@@ -193,63 +206,80 @@ EXAMPLES
 ========
 
 ``Wizard``
+
     Match all messages containing the word "wizard", ignoring case.
 
 ``added``
+
     Match all messages containing "added", but also those containing "add", "additional",
     "Additional", "adds", etc... via stemming.
 
 ``(and Bob Marley)``
+
     Match messages containing words "Bob" and "Marley", or their stems
     The words need not be adjacent.
 
 ``(not Bob Marley)``
+
     Match messages containing neither "Bob" nor "Marley", nor their stems,
 
 ``"quick fox"`` ``quick-fox`` ``quick@fox``
+
     Match the *phrase* "quick" followed by "fox" in phrase fields (or
     outside a field). Match the literal string in a term field.
 
 ``(folder (of (id 1234@invalid)))``
+
     Match any message in the same folder as the one with Message-Id "1234@invalid"
 
 ``(id 1234@invalid blah@test)``
+
     Matches Message-Id "1234@invalid" *or* Message-Id "blah@test"
 
 ``(and (infix "date:2009-11-18..2009-11-18") (tag unread))``
+
     Match messages in the given date range with tag unread.
 
 ``(starts-with prelim)``
+
     Match any words starting with "prelim".
 
 ``(subject quick "brown fox")``
+
     Match messages whose subject contains "quick" (anywhere, stemmed) and
     the phrase "brown fox".
 
 ``(subject (starts-with prelim))``
+
     Matches any word starting with "prelim", inside a message subject.
 
 ``(subject (starts-wih quick) "brown fox")``
+
     Match messages whose subject contains "quick brown fox", but also
     "brown fox quicksand".
 
 ``(thread (of (id 1234@invalid)))``
+
     Match any message in the same thread as the one with Message-Id "1234@invalid"
 
 ``(thread (matching (from bob@example.com) (to bob@example.com)))``
+
     Match any (messages in) a thread containing a message from
     "bob@example.com" and a (possibly distinct) message to "bob at
     example.com")
 
 ``(to (or bob@example.com mallory@example.org))`` ``(or (to bob@example.com) (to mallory@example.org))``
+
     Match in the "To" or "Cc" headers, "bob@example.com",
     "mallory@example.org", and also "bob@example.com.au" since it
     contains the adjacent triple "bob", "example", "com".
 
 ``(not (to *))``
+
     Match messages with an empty or invalid 'To' and 'Cc' field.
 
 ``(List *)``
+
     Match messages with a non-empty List-Id header, assuming
     configuration ``index.header.List=List-Id``