Okay, I found the HTML code for a textbox, and re-ordered the list to try and make it easier to read. Here's hoping it works:

<user name=12in2010> <user name=3_good_things_a_day> <user name=access_fandom> <user name=age_of_sail> <user name=alec_eliot> <user name=ante_up_losers> <user name=ao3_invitecodes> <user name=asexual_fandom> <user name=asexuality> <user name=avengers_kink> <user name=batchlunch> <user name=batfic> <user name=bbc_merlin_news> <user name=beginningcocks> <user name=bestthingever> <user name=boilingwater> <user name=britdrama> <user name=bunny_support> <user name=camelot_fleet> <user name=cap_ironman> <user name=chromatic_fanfic> <user name=clarion_news> <user name=comicbookmovies> <user name=cookability> <user name=corsets_and_carriages> <user name=cox_and_co> <user name=create_my_comm> <user name=criminalminds> <user name=dailyprompt> <user name=dc_fandom> <user name=deancastiel> <user name=disability> <user name=do_it> <user name=doctorwho> <user name=dresden_kink> <user name=dwfiction> Dreamwidth Comms: <user name=dreamscapes> <user name=dreamsheep> <user name=dreamwidth_meta> <user name=dreamwidthlayouts> <user name=dw_accessibility> <user name=dw_codesharing> <user name=dw_community_promo> <user name=dw_maintenance> <user name=dw_news> <user name=dw_nifty> <user name=dw_suggestions> <user name=ebooks> <user name=efw> <user name=fancake> <user name=fandom_icons> <user name=fandom_love> <user name=fandom_meta> <user name=fandomcalendar> <user name=fandomsecrets> <user name=fanficrants> <user name=fangasmic> <user name=fanlore> <user name=fantasy> <user name=fem_thoughts> <user name=femmefest> <user name=fic_promptly> <user name=filk> <user name=followfriday> <user name=fucking_docs> <user name=fucking_meds> <user name=gardening> <user name=geek_girls_anon> <user name=getting_started> <user name=girlgay> <user name=halfamoon> <user name=happymaking> <user name=harrylovesdraco>, <user name=harrypotter> <user name=heroines_fest> <user name=highlander> <user name=hl_chronicles> <user name=holmes_watson> <user name=homeeconomics101> <user name=hooked_on_heroines> <user name=housefic> <user name=hp_diversity> <user name=hpslash> <user name=iconfinder> <user name=id_fest> <user name=isurrendered> <user name=janeausten> <user name=kink_bingo> <user name=kink_finders> <user name=kink_wiki> <user name=kirk_mccoy> <user name=kittenwars> <user name=kradamadness> <user name=ladiesbigbang> <user name=ladyslash> <user name=last_writes> <user name=legendland> <user name=leverage> <user name=literaryicons> <user name=little_details> <user name=lj_refugees> <user name=lost_girl> <user name=mckay_sheppard> <user name=merlin> <user name=merlinslash> <user name=metaquotes> <user name=midlands_fanworks> <user name=mmom> <user name=monstrous_regiment> <user name=moviefanfiction> <user name=muncle> <user name=mundane_bingo> <user name=nano_writers> <user name=ncc_1701> <user name=newbieguide> <user name=omnomnom> <user name=otw_news> <user name=passion_perfection> <user name=pineapple_infested> <user name=poetry> <user name=porn_battle> <user name=primeval> <user name=primevalathon> <user name=queering_holmes> <user name=reddwarf> <user name=regency_romance> <user name=rihannsu> <user name=rivereffinsong> <user name=rizzoli_and_isles> <user name=scans_daily> <user name=science> <user name=science_fiction> <user name=sg_military_beta> <user name=sga_noticeboard> <user name=shareandsharealike> <user name=sherlockbbc> <user name=shes_awesome> <user name=singularity> <user name=sixwords> <user name=smallfandomfics> <user name=snape_potter> <user name=snapenews> <user name=so_sue_me> <user name=spoiler_song> <user name=spoon_studies> <user name=stargateslash> <user name=startrek> <user name=startrek_reboot> <user name=storyfinders> <user name=team_seeker> <user name=the_dw_herald> <user name=the_hub> <user name=the_losers_2010> <user name=thefemslashjob> <user name=thriftycooking> <user name=trekfics> <user name=tremors> <user name=ts_newsletter> <user name=uk> <user name=unfunnybusiness_dw> <user name=veni_vidi_vids> <user name=veryglutenfree> <user name=vidding> <user name=vulcanreforged> <user name=what_ho_chaps> <user name=work_sucks> <user name=writerstorm> <user name=writethisfanfic> <user name=writing_religion> <user name=wtf_nature