[tex-k] Erratum: MFbook, p. 348: spit index entry `cycle'

Dominik Leininger dominik.leininger at t-online.de
Tue Aug 15 16:25:34 CEST 2023

Hello all,

On page C348, in the right column, the index entry `cycle' refers to 
both the last token of a cyclic path expression `<path subexpression> 
<path join> cycle' as well as the beginning of the boolean primary 
`cycle <primary>' to check if a path is cyclic. In order to clarify that 
the same token is used in both contexts, it would be beneficial to 
distinguish them in the index.

I suggest replacing line 19078 in mfbook.tex with something along these 
two lines:
*|cycle| (path closing), @15, @16, @24-- at 28, @69, +129--+131, 171, 213.
\sub (check cyclicity), @69, +170, 171, 210.
(I'm not sure about italicizing 69 in the first line.)

In case this erratum is not accepted, at least the page number 170 
should be underlined just like the 170 in the index entries of other 
tokens used in boolean primary, e.g. `known', `odd', etc.

Best regards,


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