Hey IOhannes,
I was just looking thru your pdwindow.tcl procs. It seems to me that those procs should just go all the way and implement a syslog-style system with the same levels. Then the Pd window could have a little dropdown menu on the lower left to select which level to show.
Attached is my failed attempt at defining the functions. Also, about the tags for colorizing things, I think your syslog level tags and the alternating linecolor? tags should be applied to all lines, not depending on which proc is used. Then different plugins or modes can colorize the text. Otherwise, it'll be just a big mishmash of colors.
As for me, I think just a subtle alternating color per post, not per- line. Then error posts would have a sublte red background.
.hc
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'You people have such restrictive dress for women,’ she said, hobbling away in three inch heels and panty hose to finish out another pink- collar temp pool day. - “Hijab Scene #2", by Mohja Kahf