I've re-uploaded it. Not sure what happened last time but it should be there now.
It's noticably faster here. NetSurf is done loading from icon in about 5 seconds and amiga.org loads in about 20 seconds. That's pretty good for not having optimizations enabled yet
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Edit: There are still some places that are quite slow and some that may get caught in an infinite loop. I am trying to debug what looks like an infinite loop after logging into amiga.org and when being redirected back to the old thread. I see scrollbar_create(), scrollbar_make_pair() and a realloc() that I believe may be in desktop/textarea.c textarea_reflow_multiline()? Did you fix the textarea_scrollbar_callback hook for scrollbar_create()? There are several callback hooks in this vacinity which might be worth looking over. I don't get any hits but I didn't last time there was a hook problem. No hits and no freezes makes for some tough debugging.
Edit2: I strongly believe that the infinite loop is the for loop in textarea_reflow_multiline() which starts with:
for (; len > 0; len -= b_off, text += b_off {
I can see the para_end string is "Reply" and no '\n' (newline) is found. I can't see a function name for nsfont.font_split() but there is a JSR. From there:
it looks like x is 0
(x <= h_extent) skip {}
(x <= avail_width) skip {}
(line <= ta-->lines_alloc_size - 2) skip {}
(para_end != text + b_off) skip {}
(len - b_off > 0) { for loop terminates with (space <= text) before first iteration skip {}, (space == text) skip }
(line > scroll_lines) but (ta->bar_y != NULL) skip the break;
back to the top of the for loop and repeat for infinity
