win/tclWinChan.c Tcl_InitNotifier: Bug [2413550] Avoid reopening of serial channels which causes issues with Bluetooth virtual com. Patch by Rolf Schroedter.
merge 8.5
Changed position of flag evaluation as proposed by Phil Hoffman
Do not reopen a win serial channel for serial detection. There are issues with some Bluetooth virtual com. Fix bug [2413550], patch by Rolf Schroedter
Do not reopen a win serial channel for serial detection. There are issues with some Bluetooth virtual com. Fix bug [2413550], patch by Rolf Schroedter
[8d5f5b8034] Flush internal representations in [string tolower] of unshared obj
Simplify macro handling in tclOO*Decls.h, just as already done in "novem" [0c37ab8944], itcl*Decls.h and tdbc*Decls.h. 
This doesn't change the way symbols are exported. This simplifications were already present in the Tcl 8.6.2 headers, but those were buggy when tclOO was linked in statically without using stubs.
New tests covering INPUT_NEED_NL flag handling.  One exposes a bug.
Mark io-35.18b test as knownBug
Merge core-8-5-branch (New tests covering INPUT_NEED_NL flag handling. One exposes a bug.)
Reorganize log level management, start testing persistence, refactor code to not put so much in ::http namespace
merge trunk