So just post here some of such features (sorted by #groups) and possible bugs for someone to play with during long winter nights

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[+] : feature to add
[~] : feature to improve
[*] : bug (possibly)
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#Text search/replace dialog:
[+] batch undo ability. currently if you did "replace all" to whole file, you have to click for every single replacement to undo it. much better undo such operations in 1 click
[+] "Find Previous" button, and checkbox to loop search [means automatically skip to start/end of file, instead of asking about that]
[~] automatically fold blocks expanded by search if user keeps searching and didn't changed something inside and not changed text cursor position manually
[*] the "Search Inside Selection only" checkbox value always becomes "false" if text selection changes, that sometimes is very annoying
#Code editor
[+] tooltip on types/structures/variables and others showing information about their format/definition (something like that already exists in debug mode)
[~] function "Insert comment" alway places ";" at the beginning of line. thats annoying and often defaces text formatting, would be much better if ";" placing where the line text begins
[~] also would be good to automaticaly insert space before ";" in cases if char before ";" is not space and line text before ";" is not empty
#Editor context menu
[+] functions like "Go to definiton"/"Go to declaration" at context menu of types/structures/variables and others, this is very useful in large files or projects with many files, markers can't solve it
[+] context menu entry "Toggle Current Fold"[s]: would be good if it switch all folds inside selected text, not only first of them
[+] context menu entries: "To Upper Case"/"To Lower case", working on selected text
#Debug mode
[*] in debug mode [if breakpoint triggered, etc] a tooltip doesn't display values referenced inside "With\EndWith" like "\Value1". it shows "unexpected token"
[*] the same happens in debug mode if there is constant inside selected text (#TAB$ for example). it shows "constant not found"
[*] a tooltip in debug mode not refreshing automatically if value of variable changes, but mouse cursor not moved; that often annoys if debugging loops
[*] a tooltip is not displayed if it height > than distance between it Y and screen height
[*] tooltip information for large structures, etc is trimmed
#Shortcuts
[+] ability to bind mutually exclusive functions to same shortcut. that can be very handy for example to merge "Compiler > Run" and "Debugger > Continue" functions, so you can use F5 to run and F5 to continue if program is stopped
[*] if Space is binded to "Insert the selected AutoComplete word", you cannot more print spaces in regular typing (if Return key is set, there is no such problem)
#Other
[*] many params are missing when doing full exportof IDE settings and import them to clearly installed IDE
// further I'll just update this post/thread and let it contains all similar small things about IDE, instead of creating lot of threads
// platform: windows