Add is:<tag> as a synonym for tag:<tag> in search terms.

I like the readability of this, it provides compatibility with people
trained in this syntax by sup, and it even saves one character.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/database.cc b/lib/database.cc
index 88c85ed..c91e97c 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -147,6 +147,7 @@ prefix_t BOOLEAN_PREFIX_INTERNAL[] = {
 prefix_t BOOLEAN_PREFIX_EXTERNAL[] = {
     { "thread",			"G" },
     { "tag",			"K" },
+    { "is",			"K" },
     { "id",			"Q" }
 };