From de91dd47e1e4f2366eb4f4cc174aadf8fc2ce1ce Mon Sep 17 00:00:00 2001
From: Théo Zimmermann
Date: Mon, 11 May 2020 17:41:58 +0200
Subject: Document new Search features.

---
 doc/tools/docgram/orderedGrammar | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

(limited to 'doc/tools/docgram/orderedGrammar')

diff --git a/doc/tools/docgram/orderedGrammar b/doc/tools/docgram/orderedGrammar
index 3c85b65bca..3a327fc748 100644
--- a/doc/tools/docgram/orderedGrammar
+++ b/doc/tools/docgram/orderedGrammar
@@ -940,7 +940,7 @@ command: [
 | "SearchHead" one_term OPT ( [ "inside" | "outside" ] LIST1 qualid )
 | "SearchPattern" one_term OPT ( [ "inside" | "outside" ] LIST1 qualid )
 | "SearchRewrite" one_term OPT ( [ "inside" | "outside" ] LIST1 qualid )
-| "Search" LIST1 ( OPT "-" search_item ) OPT ( [ "inside" | "outside" ] LIST1 qualid )
+| "Search" LIST1 ( search_query ) OPT ( [ "inside" | "outside" ] LIST1 qualid )
 | "Time" sentence
 | "Redirect" string sentence
 | "Timeout" num sentence
@@ -996,9 +996,31 @@ comment: [
 | num
 ]
 
+search_query: [
+| search_item
+| "-" search_query
+| "[" LIST1 ( LIST1 search_query ) SEP "|" "]"
+]
+
 search_item: [
-| one_term
-| string OPT ( "%" scope_key )
+| OPT ( [ "head" | "hyp" | "concl" | "headhyp" | "headconcl" ] ":" ) string OPT ( "%" scope_key )
+| OPT ( [ "head" | "hyp" | "concl" | "headhyp" | "headconcl" ] ":" ) one_term
+| "is" ":" logical_kind
+]
+
+logical_kind: [
+| thm_token
+| assumption_token
+| "Context"
+| "Definition"
+| "Example"
+| "Coercion"
+| "Instance"
+| "Scheme"
+| "Canonical"
+| "Field"
+| "Method"
+| "Primitive"
 ]
 
 univ_name_list: [
-- 
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