doc: rewrite explanation for -par= #28858

1. 
   fanquake commented at 11:43 am on November 13, 2023: member

   The negative bound for script threads comes from the machine which generates the man pages, so may only be correct for that machine. Any other placeholder value will also be wrong for some machines. Fix this be removing the value. This also fixes help2man incorrectly bolding the value, as if it were a paramater.

   Closes #28850.

2. doc: rewrite explanation for -par=

   The negative bound for script threads comes from the machine which
   generates the man pages, so may only be correct for that machine. Any
   other placeholder value will also be wrong for some machines. Fix this
   be removing the value. This also fixes help2man incorrectly bolding the
   value, as if it were a paramater.
   
   Closes #28850.

   d799ea26ed
3. 
   DrahtBot commented at 11:43 am on November 13, 2023: contributor

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4. DrahtBot added the label Docs on Nov 13, 2023
5. 
   maflcko commented at 12:02 pm on November 13, 2023: member

   lgtm ACK d799ea26edfd63434b6d1cf55500de184dc67fac
6. theStack approved
7. 
   theStack commented at 2:48 pm on November 13, 2023: contributor

   ACK d799ea26edfd63434b6d1cf55500de184dc67fac
8. fanquake merged this on Nov 14, 2023
9. fanquake closed this on Nov 14, 2023

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10. fanquake referenced this in commit 5845331a6c on Nov 14, 2023
11. fanquake deleted the branch on Nov 14, 2023

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fanquake DrahtBot maflcko theStack

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