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strip empty phrases in bracketedLinearize

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This commit is contained in:
krangelov
2019-02-27 08:27:50 +01:00
parent fc37bc26cd
commit 52f2739da1
1 changed files with 7 additions and 5 deletions
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12
src/runtime/haskell-bind/PGF2.hsc
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@@ -990,11 +990,13 @@ withBracketLinFuncs ref exn f =
end_phrase ref _ c_cat c_fid c_lindex c_fun = do
(bs':stack,bs) <- readIORef ref
cat <- peekUtf8CString c_cat
let fid = fromIntegral c_fid
let lindex = fromIntegral c_lindex
fun <- peekUtf8CString c_fun
writeIORef ref (stack, Bracket cat fid lindex fun (reverse bs) : bs')
if null bs
then writeIORef ref (stack, bs')
else do cat <- peekUtf8CString c_cat
let fid = fromIntegral c_fid
let lindex = fromIntegral c_lindex
fun <- peekUtf8CString c_fun
writeIORef ref (stack, Bracket cat fid lindex fun (reverse bs) : bs')
symbol_ne exn _ = do
gu_exn_raise exn gu_exn_type_PgfLinNonExist