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bpo-30723: IDLE -- Enhance parenmatch; add style, flash, and help (#2306)

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* Add 'parens' style to highlight both opener and closer.
* Make 'default' style, which is not default, a synonym for 'opener'.
* Make time-delay work the same with all styles.
* Add help for config dialog extensions tab, including parenmatch.
* Add new tests. 
Original patch by Charles Wohlganger.
This commit is contained in:
wohlganger 2017-06-27 21:36:23 -05:00 • committed by terryjreedy
parent 84d9d14a1f
commit fae2c3538e
5 changed files with 94 additions and 69 deletions
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15
Lib/idlelib/configdialog.py
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@ -1407,6 +1407,21 @@ The IDLE Modern Unix key set is new in June 2016. It can only
be used with older IDLE releases if it is saved as a custom
key set, with a different name.
''',
'Extensions': '''
Extensions:
Autocomplete: Popupwait is milleseconds to wait after key char, without
cursor movement, before popping up completion box. Key char is '.' after
identifier or a '/' (or '\\' on Windows) within a string.
FormatParagraph: Max-width is max chars in lines after re-formatting.
Use with paragraphs in both strings and comment blocks.
ParenMatch: Style indicates what is highlighted when closer is entered:
'opener' - opener '({[' corresponding to closer; 'parens' - both chars;
'expression' (default) - also everything in between. Flash-delay is how
long to highlight if cursor is not moved (0 means forever).
'''
}