Christian Brabandt wrote:
> Hi 'Suresh!
>
> On Di, 12 Jan 2016, 'Suresh Govindachar' via vim_use wrote:
>
>> On 1/12/2016 1:50 PM, Bram Moolenaar wrote [indicating need to send
>> files archived in a format netrw can read, which isn't .7z]
>>
>> Summary: The following reproducible steps work as expected on
>> 7.4.0, but cause 7.4.1023 to go into an infinite loop!
>>
>> Setup: Windows 7, 64 bit
>> cd <some_path>
>> dir will show folders vim74 and vimfiles:
>> vim74\[gvim.exe and other stuff]
>> vimfiles\[contains only 3 files, all named notes.vim, in
>> attached zip]
>> vimfiles/autoload/notes.vim
>> vimfiles/ftplugin/notes.vim
>> vimfiles/syntax/notes.vim
>>
>> Command: start vim74/gvim.exe -V20 -u none -U NONE
>>
>> Actions: :find <path to file try_loading_me.txt, in attached zip]
>> :set filetype=notes
>> :source vimfiles\ftplugin\notes.vim
>>
>> Expected result -- seen in 7.4.0: try_loading_me.txt will have folds
>>
>> Bug in 7.4.1023: :source goes into infinite loop and never gets
>> back to user.
>>
>> Thanks for investigating this,
> You have a problem with your autoload script:
>
> while(textm =~ '^\s*$') " will always exit from while
> if cline < i
> break
> endif
> let i = i + 1
> let textm = getline(cline-i)
> endwhile
>
> There is no exit condition, once cline-i is smaller than 1.
> In that case getline returns an empty string, which happens to match
> your "^\s*$" and therefore the loop happily continues.
> Therefore add an extra condition like this:
>
> while(textm =~ '^\s*$') " will always exit from while
> if cline < i
> break
> endif
> let i = i + 1
> let textm = getline(cline-i)
> endwhile
>
>
> Not sure, why this doesn't happen with the old gvim.exe
>
For those who were wondering -- the problematic autoload script fragment
did not have the
if cline < i
break
endif
in it -- that's Christian's "extra condition".
Regards,
Chip Campbell
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