FreeBSD/doc faf365d (r52860)en_US.ISO8859-1/books/porters-handbook/makefiles chapter.xml, en_US.ISO8859-1/books/porters-handbook/special chapter.xml

Porter's Handbook: Add Meson section

- Document new opt_MESON_{DIS,EN}ABLED helpers
- Fix existing examples

Approved by:    bcr
Differential Revision:  https://reviews.freebsd.org/D19554
DeltaFile
+56-11en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
+47-0en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
+2-1en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
+105-123 files

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