Fldigi v4.1.19 now available

  Version 4.1.19
    * maintenance release

  Vestigial AFC fixes
     * Fix OFDM and 8PSK AFC jumping randomly to noise-signals

  C-Media PTT support
    * add support for C-Media ptt signal, used by DAR-30 etal

  LNW macro tag
    * add missing add to log call

  Notes
    * add Notes as a retrieve field for last worked call lookup in logbook

  lower case tx
    * defeat lower case TX when text source is from arq or xmlrpc socket interface.

  Win Install Directory
    * Change installer to target either 32 or 64 bit installation

  Qso Party Cabrillo
    * add state & country selections

  mxe scripts update

  cwid
    * enable cwid for
      . T/R button reset to Rx
      . ^r in xmlrpc transmit text strings
      . ^r in macro text
      . ^r in transmit text
      NOTE: recommend disabling cwid for all ARQ type message transmissions; flarq / flmsg.

  Doxygen srcdoc fix
   * MBEDTLS breaks the cppcheck tool, bypass checking for now

  Dxcluster freq
    * change to accommodate either '.' or ',' as the integer fractional part of frequency in kHz.

  Documentation update
    * image and text associated with menu items
      . View/Rig/Log Controls
      . View/Waterfall

  Carat r/R
    * if modem is not IFKP, change to identical function for ^r and ^R transmit character sequence

  WIN Build Errors
    * Correct Windows 64 bit build segmentation fault caused by ulong int usage for string pointer.
      Replaced with size_t

  Compiler warnings
    * fix compiler warning on use of memset
      . rsid.cxx
      . ifkp.cxx

  flrig cwio
    * DTR/RTS CW keying using xmlrpc commands to flrig

  Set/Get Notch
    * Correct notch processing when used with flrig
    * RigCAT notch processing
      . Add wait 2 poll cycles between set and get notch

  FMT mod
    * limit estimation error to user defined value, reset tracking if error exceeds the set value
    * add +/- 5 and +/- 10 plot ranges

  Tx Monitor Level
    * Change control to dB scale to allow greater range of user control

  fh baud
    * modify fh parameter printout

  dxcluster
    * Immediate cmd
      . ! character as first in command definition will cause the command to be send immediate
        upon selection of that command button

  WF-only mode menu
    * add missing modes

  PSK-modes fix false triggers of DCD-OFF
    * Certian character combinations were triggering DCD-OFF
    * DCD-OFF code now searches over 6-bit window
    * Prevents rare data-loss bug mid-transmission

  fmt
    * add callback handlers to
      . btn_unk_enable
      . btn_ref_enable
      . btn_fmt_record
    * reset frequency whenever ref or unk button is pressed

  Win32 Serial Port
    * change
      "if (!hComm)" to
      "if (hComm == INVALID_HANDLE)"

  CW punctuation
    * Allow user to suppress decode/encode of specific punctuation characters
    * Allow user to select character to display noise decodes
      . default '*'
      . '_'
      . ' '
      . none

  WX
    * Correct  weather macro text substitution

  Canada
    * Add missing provinces / regions

  PulseAudio Server String
    * always enable PA server string control to allow user to clear or modify entry
    * fix hanging up on server fault message dialog
      . caused by message dialog on being re-entrant

  macOS arm64 builds
    * Change macosx macro to include darwin20 target

  Waterfall buttons
    * Set all buttons to visibile for new installation

  Audio Codec
    * fix for Portaudio h/w codec missing during fldigi startup
      . missing h/w could cause segmentation fault on some systems
      . added try{}catch{} to trx audio path
      . display error message
      . reset audio device to NULL codec