[elpa] externals/pyim e9fd048 2/2: * pyim-preview.el (pyim-preview-delete-string): if -> when.

[ELPA Syncer]

branch: externals/pyim
commit e9fd048e338865de62df95eec20f6a83ff591428
Author: Feng Shu <tumashu@163.com>
Commit: Feng Shu <tumashu@163.com>

    * pyim-preview.el (pyim-preview-delete-string): if -> when.
---
 pyim-preview.el | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pyim-preview.el b/pyim-preview.el
index 9dde2cd..ef7e27c 100644
--- a/pyim-preview.el
+++ b/pyim-preview.el
@@ -95,9 +95,9 @@ pyim 会使用 Emacs overlay 机制在 *待输入buffer* 光标处高亮显示
 
 (defun pyim-preview-delete-string ()
   "删除已经插入 buffer 的 preview 预览字符串。"
-  (if (overlay-start pyim-preview-overlay)
-      (delete-region (overlay-start pyim-preview-overlay)
-                     (overlay-end pyim-preview-overlay))))
+  (when (overlay-start pyim-preview-overlay)
+    (delete-region (overlay-start pyim-preview-overlay)
+                   (overlay-end pyim-preview-overlay))))
 
 
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