[PATCH][BZ #17787] Fix exponents in manual.

[Andreas Schwab]

Ondřej Bílka <neleai@seznam.cz> writes:

> Is this ok to commit or is there trick to also handle info?

Use different renditions for @iftex and @ifnottex (html output will also
be verbatim like info output).

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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