[Bug 278046] New: KMail freezes when replying to long messages in HTML

[Ivan Tonchev]

https://bugs.kde.org/show_bug.cgi?id=278046

           Summary: KMail freezes when replying to long messages in HTML
           Product: kontact
           Version: 4.4.10
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: lisik at gmx.com


Version:           4.4.10 (using KDE 4.6.2) 
OS:                Linux

Hello everyone,

After i enabled HTML formating in Kmail composer replying to long messages has
become a headache. Kmail hangs, interface is completely frozen, during which
time CPU usage is high. After a period of time (depending on how long the
message to which i reply is) the program recovers for a few seconds and i can
type a few words then in hangs again and the cycle goes on. 

Reproducible: Always

Steps to Reproduce:
1. Enable HTML formating in Kmail's composer.
2. Exchange several emails by replying (keep quoting the original messages). Do
it until the email becomes several hundred lines long.
3. As the email grows longer the responsiveness of Kmail will decrease until it
becomes unusable. 


Actual Results:  
Kmail becomes unusable - frozen interface for both composer and main KMail
window.

Expected Results:  
To let me type the message.

Never happened when i was writing plain text messages

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