[FFmpeg-trac] #7917(undetermined:new): how can i show ':' in text

[FFmpeg]

#7917: how can i show ':' in text
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             Reporter:  hezhixiong   |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  text with :  |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 as below A, the text just show "123456", but, as below B, the text show "
 中国：123456". how can i show ':' in text?

 A: ffmpeg -y -i input.mp4 -i logo.png -filter_complex
 "[1:v]scale=110:40[logo];[0:v][logo]overlay=x='if(lt(t,9),48,main_w-
 overlay_w-20)':y='if(lt(t,9),20,main_h-overlay_h-43)',drawtext=text='中国
 :123456':x='if(lt(t,18/2),20,w-tw-20)':y='if(lt(t,18/2),65,h-th-20)':fontfile=msyh.ttf:fontsize=20:fontcolor=white"
 output.mp4

 B: ffmpeg -y -i input.mp4 -i logo.png -filter_complex
 "[1:v]scale=110:40[logo];[0:v][logo]overlay=x='if(lt(t,9),48,main_w-
 overlay_w-20)':y='if(lt(t,9),20,main_h-overlay_h-43)',drawtext=text='中国
 ：
 123456':x='if(lt(t,18/2),20,w-tw-20)':y='if(lt(t,18/2),65,h-th-20)':fontfile=msyh.ttf:fontsize=20:fontcolor=white"
 output.mp4

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Ticket URL: <https://trac.ffmpeg.org/ticket/7917>
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