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The cmdhist shell option,  if enabled,  causes  the shell  to attempt
to  save each line of a multi-line command in the same history entry,
...
embedded newlines instead of semicolons.  See the  description of the
shopt builtin  ...  under  SHELL BUILTIN COMMANDS  for information on
setting  and  unsetting  shell options.

optional feature of Bash history filtering that isn't always  enabled
by default in distributions is cmdhist. This determines whether multi
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To disable this feature, you would type

      shopt -u cmdhist