From 1ab140121d5ad0f65757fbb4c18f336d59b57ec4 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Tue, 13 Sep 2016 01:18:30 +0000
Subject: help: document new search prefixes

Support (and document) 'a:' after all, as "mairix -h" uses it,
so this should reduce the learning curve for mairix users.
---
 lib/PublicInbox/WwwText.pm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/PublicInbox/WwwText.pm')

diff --git a/lib/PublicInbox/WwwText.pm b/lib/PublicInbox/WwwText.pm
index b8beb97c..b0f262cd 100644
--- a/lib/PublicInbox/WwwText.pm
+++ b/lib/PublicInbox/WwwText.pm
@@ -134,7 +134,7 @@ search
     in other search engines.
 
     We also support search prefixes to limit the scope of the
-    search to certain fields using prefixes.
+    search to certain fields.
 
     Prefixes supported in this installation include:
 
@@ -142,6 +142,10 @@ EOF
 		_srch_prefix($srch, $txt);
 
 		$$txt .= <<EOF;
+
+    Most prefixes are probabilistic, meaning they support stemming
+    and wildcards ('*').  Ranges (such as 'd:') and boolean prefixes
+    do not support stemming or wildcards.
     The upstream Xapian query parser documentation fully explains
     the query syntax:
 
-- 
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