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Diffstat (limited to 'text.lua')
| -rw-r--r-- | text.lua | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/text.lua b/text.lua index db51ac4..2383137 100644 --- a/text.lua +++ b/text.lua @@ -103,7 +103,9 @@ function Text.populate_screen_line_starting_pos(State, line_index) -- long word; chop it at some letter -- We're not going to reimplement TeX here. local bpos = Text.nearest_pos_less_than(frag, State.width - x) - -- everything works if bpos == 0, but is a little inefficient + if x == 0 and bpos == 0 then + assert(false, ("Infinite loop while line-wrapping. Editor is %dpx wide; window is %dpx wide"):format(State.width, App.screen.width)) + end pos = pos + bpos local boffset = Text.offset(frag, bpos+1) -- byte _after_ bpos frag = string.sub(frag, boffset) |