In the Maxima manual, there's this macro:
|@macro mxref {nodename, text} @code{@ref{\nodename\, \text\}} @end macro |A typical usage is |@mxref{expintrep-gamma-incomplete, gamma_incomplete}|. This works fine in html and info which shows |gamma_incomplete|. However, in the pdf output, it shows |expintrep-gamma-incomplete|.
This is with a self-built git version of texinfo that reports the version as 7.2.90 for makeinfo.
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