[1.1.0-Beta1] IDE: at save: intermittent: StackOverFlow crash (recursive call problem) --- but script content is saved correctly

[RaiMan]

**** problem
looks like some recursive call in the Lexer, that is used to analyse the script content about used images after having saved the content content correctly

If it happens, just force the IDE to close and reopen.

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I met the same issue on 1.1.0 beta1.
When I try to save the content in SikuliX IDE, I get the "doSave Error" message on the Message Window, then I try to close the IDE forcibly and open the IDE again, I find that the content is saved actually.

My environment:
Windows7 32bits
java version "1.7.0_60"
Java(TM) SE Runtime Environment (build 1.7.0_60-b19)
Java HotSpot(TM) Client VM (build 24.60-b09, mixed mode, sharing)

Error Message:
[error] IDE: Problem when trying to invoke menu action doSave Error: null

[error] IDE: Problem when trying to invoke menu action doSave Error: null

Exception in thread "MainThread" java.lang.StackOverflowError
at java.util.regex.Pattern$Slice.match(Unknown Source)
at java.util.regex.Pattern$LazyLoop.match(Unknown Source)
at java.util.regex.Pattern$GroupTail.match(Unknown Source)
at java.util.regex.Pattern$BranchConn.match(Unknown Source)
at java.util.regex.Pattern$CharProperty.match(Unknown Source)