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Message #03830
[Bug 1380455] Re: MXP line tag 4 does not revert to prior mode at end of tag
Typo in my bug posting. Should say this without the word "second":
With this bug, the <Yo!> that is echoed back is squelched. With my
patch, it works fine.
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https://bugs.launchpad.net/bugs/1380455
Title:
MXP line tag 4 does not revert to prior mode at end of tag
Status in Mudlet the MUD client:
New
Bug description:
The MXP spec says that line tag 4 should enable secure mode, but only
for the next tag. It should revert back to its prior mode after the
tag has closed. When Mudlet receive line tag 4, it switches to secure
mode, but it sticks permanently rather than reverting back as it
should. This causes some problems for certain MUDs. For example, in
Lusternia (and presumably other IRE MUDs), they exclusively send MXP
via line tag 4 for their MXP command. When a user turns off MXP on the
server, Lusternia stops sending MXP commands to Mudlet. But, Mudlet is
still stuck in MXP security mode because it didn't revert back at the
end of each tag. This causes it to squelch anything between a < and >,
mistakingly thinking them as MXP tags.
MXP references:
https://web.archive.org/web/20101023084054/http://www.mudstandards.org/MXP_Line_Tags
www.zuggsoft.com/zmud/mxp.htm#MXP%20Line%20Tags
I have attached a patch to fix this bug.
If you want to reproduce the bug, here are steps using Lusternia as your host (or possibly any IRE game). Enter these commands:
CONFIG MXP ON
CONFIG MXP OFF
SAY <Yo!>
With this bug, the second <Yo!> that is echoed back is squelched. With
my patch, it works fine.
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References