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tmac: introduce real manual reference macro instead of overloading IR

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The overloading of IR emits magic \X'...' sequences that turn into HTML manual links.
But not all such IR invocations should be manual links;
those had to be written to avoid the IR macro before.
Worse, the \X'...' ending the IR causes troff to emit only a single space after a period.

Defining a new IM macro for manual references fixes both problems.

Fixes #441.
This commit is contained in:
Russ Cox 2020-08-13 23:41:59 -04:00
parent a1c4307800
commit 977b25a76a
297 changed files with 1790 additions and 1774 deletions
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4
man/man1/graph.1
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@ -89,7 +89,7 @@ The next argument is
Next argument is one or more of the characters
.B bcgkmrwy,
choosing pen colors by their initial letter, as in
.IR plot (7).
.IM plot (7) .
Successive curves will cycle through the colors in the given order.
.TP
.B -s
@ -145,7 +145,7 @@ is reversed.
.B \*9/src/cmd/graph
.SH "SEE ALSO"
.IR plot (1),
.IR grap (1)
.IM grap (1)
.SH BUGS
Segments that run out of bounds are dropped, not windowed.
Logarithmic axes may not be reversed.