[elpa] externals/popper updated (31ca3aead8 -> 66b4769997)

[ELPA Syncer]

elpasync pushed a change to branch externals/popper.

      from  31ca3aead8 popper-echo: Add popper-tab-line-mode
       new  88ac193f9c popper-echo: Make code more modular
       new  c6b78fdd54 popper-echo: Add popper-tab-line-mode
       new  66b4769997 Merge branch 'externals/popper' of 
https://git.sv.gnu.org/git/emacs/elpa


Summary of changes:
 popper-echo.el | 82 +++++++++++++++++++++++++++++++++++++---------------------
 1 file changed, 52 insertions(+), 30 deletions(-)