Add: (org-ql-default-predicate)

README.org

@@ -539,6 +539,7 @@ Simple links may also be written manually in either sexp or non-sexp form, like:
 
 *Added*
 +  Commands ~org-ql-find~, ~org-ql-find-heading~, and ~org-ql-find-path~, which jump to entries selected using Emacs's built-in completion facilities and Org QL queries (like ~helm-org-ql~, but doesn't require Helm.).
++  Option ~org-ql-default-predicate~, applied to plain-string query tokens (before, the ~regexp~ predicate was always used, but now it may be customized).
 
 *Changed*
 +  Give more useful error message for invalid queries.

org-ql.el

@@ -298,6 +298,14 @@ See Info node `(org-ql)Queries'."
   :type 'boolean
   :risky t)
 
+(defcustom org-ql-default-predicate 'regexp
+  "Predicate used for plain-string tokens without a specified predicate."
+  :type '(choice (const heading)
+                 (const heading-regexp)
+                 (const regexp)
+                 (const outline-path)
+                 (const outline-path-segment)))
+
 ;;;; Functions
 
 ;;;;; Query execution
@@ -862,7 +870,7 @@ value of `org-ql-predicates')."
                            positive-term))
                  (positive-term (or (and predicate-with-args `(pred args -- (cons (intern pred) args)))
                                     (and predicate-without-args `(pred -- (list (intern pred))))
-                                    (and plain-string `(s -- (list 'regexp s)))))
+                                    (and plain-string `(s -- (list org-ql-default-predicate s)))))
                  (plain-string (or quoted-arg unquoted-arg))
                  (predicate-with-args (substring predicate) ":" args)
                  (predicate-without-args (substring predicate) ":")
@@ -945,7 +953,7 @@ defined in `org-ql-predicates' by calling `org-ql-defpred'."
                                  (`(unless ,condition . ,clauses) `(unless ,(rec condition)
                                                                      ,@(mapcar #'rec clauses)))
                                  ;; TODO: Combine (regexp) when appropriate (i.e. inside an OR, not an AND).
-                                 ((pred stringp) `(regexp ,element))
+                                 ((pred stringp) `(,org-ql-default-predicate ,element))
 
                                  ,@normalizer-patterns
 

org-ql.info

@@ -1008,6 +1008,9 @@ File: README.info,  Node: 07-pre,  Next: 062,  Up: Changelog
      ‘org-ql-find-path’, which jump to entries selected using Emacs’s
      built-in completion facilities and Org QL queries (like
      ‘helm-org-ql’, but doesn’t require Helm.).
+   • Option ‘org-ql-default-predicate’, applied to plain-string query
+     tokens (before, the ‘regexp’ predicate was always used, but now it
+     may be customized).
 
    *Changed*
    • Give more useful error message for invalid queries.
@@ -1656,34 +1659,34 @@ Node: Links36258
 Node: Tips36945
 Node: Changelog37269
 Node: 07-pre38037
-Node: 06238465
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-Node: 0256142
-Node: 0160220
-Node: Notes60321
-Node: Comparison with Org Agenda searches60483
-Node: org-sidebar61372
-Node: License61651
+Node: 06238642
+Node: 06138950
+Node: 0639518
+Node: 05242572
+Node: 05142872
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+Node: Comparison with Org Agenda searches60660
+Node: org-sidebar61549
+Node: License61828
 
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