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util.h: backout 06badf7d10dc and 2c9645c0a582 for big-endian breakage...
util.h: backout 06badf7d10dc and 2c9645c0a582 for big-endian breakage getbe32 and putbe32 need to behave differently on big-endian and little-endian systems. On big-endian ones, they should be roughly equivalent to the identity function with a cast, but on little-endian ones they should reverse the order of the bytes. That is achieved by the original definition, but __builtin_bswap32 and _byteswap_ulong, as the names suggest, swap bytes around unconditionally. There was no measurable performance improvement, so there's no point adding extra complexity with even more ifdefs for endianncess.

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multirevs.txt
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When Mercurial accepts more than one revision, they may be specified
individually, or provided as a topologically continuous range,
separated by the ":" character.
The syntax of range notation is [BEGIN]:[END], where BEGIN and END are
revision identifiers. Both BEGIN and END are optional. If BEGIN is not
specified, it defaults to revision number 0. If END is not specified,
it defaults to the tip. The range ":" thus means "all revisions".
If BEGIN is greater than END, revisions are treated in reverse order.
A range acts as a closed interval. This means that a range of 3:5
gives 3, 4 and 5. Similarly, a range of 9:6 gives 9, 8, 7, and 6.