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0009517Dwarf FortressWorld Generation -- Generalpublic2016-01-24 13:522017-12-17 18:05
Urlance Woolsbane 
 
normalminorsometimes
newopen 
0.42.05 
 
0009517: Plump helmet men try to become necromancers
A fairly simple bug. Plump helmet men have [CAN_LEARN] and [LOCAL_POPS_PRODUCE_HEROES], leading to the poor blighters occasionally trying to mend their mortality. Alas, necromancy requires [CAN_SPEAK], which plump helmet men lack. Not realizing this, they will seek out towers (or perhaps claim slabs, though I've yet to see this,) where they will begin and complete apprenticeships. Now, the remarkable part of this is that, in spite of the futility of their actions, they are not only accepted as members of necromancer communities (where they remain till their death,) but can teach the secrets of life and death to others (not bad for blind-mutes!)
Generate a world and look at the history of any towers. If the world is large and old enough, chances are you'll have at least one plump helmet man wannabe necromancer.

For a more reliable means of reproducing the bug, remove the [CV_ADD_TAG:CAN_SPEAK] from the animal person variation template, as animal man necromancers seem fairly frequent.
The broader implication of this is that IT_REQUIRES tokens are ignored, when it comes to creatures seeking out secrets. While that might be considered realistic, in some cases, it feels like the sort of thing that the raws should elaborate on (presumably through the use of [REQUIREMENTS_KNOWN] token, or somesuch.)
No tags attached.
related to 0009134confirmed Footkerchief Plump Helmet men cannot perform or pray due to inability to speak. 
related to 0010066new  Plump helmet man necromancer becomes his own apprentice 
Issue History
2016-01-24 13:52Urlance WoolsbaneNew Issue
2016-01-24 17:35ButtonNote Added: 0034545
2016-01-25 05:04Shonai_DwellerNote Added: 0034547
2016-01-25 09:02Urlance WoolsbaneNote Added: 0034548
2016-11-08 05:50LociRelationship addedrelated to 0009134
2016-11-08 05:51LociRelationship addedrelated to 0010066
2017-12-17 18:05chaosvoltNote Added: 0037348
2017-12-17 18:07chaosvoltIssue Monitored: chaosvolt

Notes
(0034545)
Button   
2016-01-24 17:35   
Related to http://www.bay12games.com/dwarves/mantisbt/view.php?id=9134 [^]
(0034547)
Shonai_Dweller   
2016-01-25 05:04   
Glancing through plump helmet historical figures, I've got a few who are skilled conversationalists, comedians, negotiators, etc. One even has the amusing line in legends "In the Midwinter of 8, Nastrip of the Infinite Lies created the position of lord through force of argument".

So, either plump helmet worldgen is bugged, or the bug is that plump helmets are supposed to be able to speak.
(0034548)
Urlance Woolsbane   
2016-01-25 09:02   
The lack of speech seems to be intentional. Otherwise, I imagine they'd have [INTELLIGENT], instead of just [CAN_LEARN].
(0037348)
chaosvolt   
2017-12-17 18:05   
Intentional yes, but this was done back before plump helmet men could becomes anything more than cavern wildlife. Now the problem is likely a case of "didn't consider whether it warrants changing" rather than "decided it should remain this way"

See the earlier issue of gorlaks originally lacking the ability to open doors.