Quote and concatenate functions' keys in one step
Quote and concatenate functions' keys in one step

Before:
% time zsh
num  calls                time                       self            name
-----------------------------------------------------------------------------------
 1)  477         153,08     0,32   24,47%     91,70     0,19   14,66%  -zplg-shadow-on
 2)   62          88,71     1,43   14,18%     88,71     1,43   14,18%  -zplg-diff-functions
 3)   34         597,72    17,58   95,56%     64,57     1,90   10,32%  -zplg-load-plugin
 4)  477          97,80     0,21   15,63%     64,34     0,13   10,29%  -zplg-shadow-off
 5)  801          60,08     0,08    9,61%     60,08     0,08    9,61%  -zplg-add-report
 6) 1904          39,64     0,02    6,34%     37,71     0,02    6,03%  -zplg-already-function-warning-uspl2
 7)  477          33,46     0,07    5,35%     33,46     0,07    5,35%  -zplg-trim-backup-vars
 8)  260         195,94     0,75   31,32%     29,16     0,11    4,66%  --zplg-shadow-zle
zsh  1,25s user 0,35s system 98% cpu 1,629 total

After:
% time zsh
num  calls                time                       self            name
-----------------------------------------------------------------------------------
 1)  477         152,13     0,32   25,13%     90,28     0,19   14,91%  -zplg-shadow-on
 2)   34         578,24    17,01   95,50%     68,47     2,01   11,31%  -zplg-load-plugin
 3)   62          68,06     1,10   11,24%     68,06     1,10   11,24%  -zplg-diff-functions
 4)  477          98,11     0,21   16,20%     64,51     0,14   10,65%  -zplg-shadow-off
 5)  801          59,32     0,07    9,80%     59,32     0,07    9,80%  -zplg-add-report
 6) 1904          39,94     0,02    6,60%     38,03     0,02    6,28%  -zplg-already-function-warning-uspl2
 7)  477          33,60     0,07    5,55%     33,60     0,07    5,55%  -zplg-trim-backup-vars
 8)  260         199,11     0,77   32,89%     29,30     0,11    4,84%  --zplg-shadow-zle
zsh  1,25s user 0,36s system 99% cpu 1,625 total

psprint/zplugin,psprint/zplugin,akatrevorjay/zplugin,psprint/zplugin