Improve tab naming

Closes: #1149

Author: mborland

doc/modules/ROOT/nav.adoc

@@ -46,15 +46,15 @@
 ** xref:cmath.adoc#cmath_classification[Classification and Comparison]
 ** xref:cmath.adoc#cmath_spec_fun[Special Functions]
 ** xref:cmath.adoc#non_standard_cmath[Non-Standard Functions]
-* xref:cstdlib.adoc[]
-* xref:charconv.adoc[]
-* xref:format.adoc[]
-* xref:cfenv.adoc[]
-* xref:cfloat.adoc[]
-* xref:cstdio.adoc[]
-* xref:functional.adoc[]
-* xref:limits.adoc[]
-* xref:strings.adoc[]
+* xref:cstdlib.adoc[`<cstdlib>` Support (`strtod`)]
+* xref:charconv.adoc[`<charconv>` Support (`to_/from_chars`)]
+* xref:format.adoc[`<format>` and pass:[{fmt}] Support]
+* xref:cfenv.adoc[`<cfenv>` Support (Rounding Modes)]
+* xref:cfloat.adoc[`<cfloat>` Support (Eval Modes)]
+* xref:cstdio.adoc[`<cstdio>` Support (`printf`)]
+* xref:functional.adoc[`<functional>` Support (`hash`)]
+* xref:limits.adoc[`<limits>` Support (`numeric_limits`)]
+* xref:strings.adoc[`<string>` Support (`to_string`)]
 * xref:config.adoc[]
 ** xref:config.adoc#configuration_user[User Configuration]
 ** xref:config.adoc#configuration_automatic[Automatic Configuration]