From 9c833e0e420e64cbb2292958bca5913300528cc0 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Sun, 12 Jun 2022 22:57:33 +0530
Subject: Implement glue operator.

* thogai.el (thogai-glue): New variable.
(thogai-insert-translation): Implement glue operator.
---
 thogai.el | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/thogai.el b/thogai.el
index 6a0dbc6..73fd118 100644
--- a/thogai.el
+++ b/thogai.el
@@ -91,6 +91,14 @@ to.")
 If non-nil, the next part of the translation is attached without
 a space, and the variable is reset to nil.")
 
+(defvar thogai-glue
+  nil
+  "Flag indicating whether to glue the next translation.
+
+If non-nil and the next part of the translation also starts with
+a glue operator, it is attached without a space, and the variable
+is reset to nil.")
+
 (defvar thogai-capitalize-next-word
   nil
   "Flag indicating whether to capitalize the next word.
@@ -204,6 +212,14 @@ callers should never pass non-nil SUBTRANSLATION."
                 (string-suffix-p "^}" str)))
         (insert (string-remove-prefix "{" (string-remove-suffix "^}" translation)))
         (setq thogai-attach-next t))
+       ;; Glue operator
+       ((pred (lambda (str)
+                (and (string-prefix-p "{&" str)
+                     (string-suffix-p "}" str))))
+        (unless thogai-glue
+          (thogai-insert-space))
+        (insert (string-remove-prefix "{&" (string-remove-suffix "}" translation)))
+        (setq thogai-glue t))
        ;; Capitalize next word.
        ("{-|}"
         (setq thogai-capitalize-next-word t))
@@ -229,6 +245,9 @@ callers should never pass non-nil SUBTRANSLATION."
        (_
         (unless subtranslation
           (thogai-insert-space))
+        ;; Reset `thogai-attach-next' and `thogai-glue'.
+        (setq thogai-attach-next nil
+              thogai-glue nil)
         (insert (funcall (thogai-compose
                           ;; Capitalize first letter.
                           (if thogai-capitalize-next-word
-- 
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