Commit 2f8e69cc authored by Chong Yidong's avatar Chong Yidong

(x_set_frame_alpha): Do nothing if alpha is negative.

parent 7e849c17
......@@ -439,7 +439,9 @@ x_set_frame_alpha (f)
else if (INTEGERP (Vframe_alpha_lower_limit))
alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0;
if (alpha < 0.0 || 1.0 < alpha)
if (alpha < 0.0)
return;
else if (alpha > 1.0)
alpha = 1.0;
else if (alpha < alpha_min && alpha_min <= 1.0)
alpha = alpha_min;
......
......@@ -487,7 +487,9 @@ x_set_frame_alpha (f)
else if (INTEGERP (Vframe_alpha_lower_limit))
alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0;
if (alpha < 0.0 || 1.0 < alpha)
if (alpha < 0.0)
return;
else if (alpha > 1.0)
alpha = 1.0;
else if (0.0 <= alpha && alpha < alpha_min && alpha_min <= 1.0)
alpha = alpha_min;
......
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