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commands in this example use "%html(...)" substitutions. The "..." argument
is expanded using the usual TCL rules, but then the result is escaped so
that it is safe to include in an HTML document. Other supported
substitutions are "%url(...)" for
URLs on the href= and src= attributes of HTML entities, "%qp(...)" for
query parameters, "%string(...)" for string literals within javascript,
and "%unsafe(...)" for direct literal substitution. As its name implies,
the %unsafe() substitution should be avoid whenever possible.
The /env page is implemented by the "wapp-page-env" proc. This proc
generates HTML that describes all of the query parameters. Parameter names
that begin with "." are for internal use by Wapp and are skipped
for this display. Notice the use of "wapp-subst" to safely escape text
for inclusion in an HTML document.
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commands in this example use "%html(...)" substitutions. The "..." argument
is expanded using the usual TCL rules, but then the result is escaped so
that it is safe to include in an HTML document. Other supported
substitutions are "%url(...)" for
URLs on the href= and src= attributes of HTML entities, "%qp(...)" for
query parameters, "%string(...)" for string literals within javascript,
and "%unsafe(...)" for direct literal substitution. As its name implies,
the %unsafe() substitution should be avoided whenever possible.
The /env page is implemented by the "wapp-page-env" proc. This proc
generates HTML that describes all of the query parameters. Parameter names
that begin with "." are for internal use by Wapp and are skipped
for this display. Notice the use of "wapp-subst" to safely escape text
for inclusion in an HTML document.
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