Hi all,
I found a phenomenon in Draw, and I'm unsure if it is a defect:
1. Draw a dimensional line;
2. Double click the text on dimensional line so that it gets focus;
3. Press "Home" key to move the cursor to the start of the text, and the
display goes like below:
^15cm ("^" for the cursor);
4. Press right arrow key, ONCE.
After the 4th step, the cursor is supposed to be located between the
digits and the measurement unit like:
15^cm
but it does not, until "Home" is press again.
A similar phenomenon occurs in the end of the text, too. When "Home" ->
"Left Arrow" key is pressed.
Both the phenomena can be repeated.
It seems to me that there is a pair of invisible characters in the start
and the end of the text. Like:
#15cm# ("#" for the invisible chars).
I got this conjecture because the assume-to-exist chars can be deleted
by "Home" -> "Delete" and "End" -> "Backspace". After these sequences
the phenomena disappear.
The pair can be deleted, their font size and other formats can be
modified. ("Home" -> "Shift"+"Right" or "End" -> "Shift"+"Left" to
select them), but it seems they can not be copied and pasted.
Could someone please tell me:
1. Is this is a defect?
2. If not, what's the purpose to put them there?
3. Which part of source code is related to this?
Thanks very much in advance.
Regards,
Felix.
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