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| -rw-r--r-- | doc/documentation.tex | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/documentation.tex b/doc/documentation.tex index c616bbd..7a137f9 100644 --- a/doc/documentation.tex +++ b/doc/documentation.tex @@ -206,7 +206,8 @@ bitmask corresponding to the given type or state. For example, if a given type uses three bits of the mask, the returned value could be the integer corresponding to the bitfield $001110000$\ldots, where the location of $1$s indicates the bits which have been allocated to the -given type. A return value of $0$ indicates that the bitmask could +given type. A return value of $0$ (GetTypeBits) or $-1$ (GetStateBits) +indicates that the bitmask could not be determined for some reason (for example, the requested state was not previously registered). |