1 files changed, 5 insertions, 1 deletions

diff --git a/arabluatex_fullvoc.lua b/arabluatex_fullvoc.lua
index f66ed87..8b94c1e 100644
--- a/arabluatex_fullvoc.lua
+++ b/arabluatex_fullvoc.lua
@@ -44,8 +44,12 @@ hamzafv = {
    {a="''([Uu])", b="ؤؤ%1"},
    {a="''([Aa])", b="أأ%1"},
    {a="''([Ii])", b="ئئ%1"},
-   -- initial long u
+   -- initial long u and i (for a, see below)
    {a="%'%_U", b="أU"},
+   {a="%'%_I", b="إI"},
+   -- taḫfīfu 'l-hamza
+   {a="'u'([^uaiUAI])", b="أU%1"},
+   {a="'i'([^uaiUAI])", b="إI%1"},   
    -- madda (historic writing below)
    {a="'a'([^uaiUAI])", b="آ%1"},
    {a="'a?A([%_%^%.]?[%`%'btjghdrzsfqklmnywAY])", b="آ%1"},