improved header typography

README.md

@@ -171,6 +171,7 @@ Note: direct commands like `\paperwidth{...}` or `\color{...}` would clash with
 - `lang=`: wikipedia language prefix, default `de`
 - `countryformat=`: `auto` (default), `inline`, or `below`
 - `crlf` / `nocrlf`: vCard newline style, default `crlf`
+- `vcardversion=`: vCard version string, default `4.0`
 
 ### Colors and QR Tuning
 
@@ -308,7 +309,7 @@ Recognized Commands
 - geometry: `\setpaperwidth`, `\setpaperheight`, `\setcontentwidth`, `\setcontentheight`, `\setpadding`, `\setcutdist`, `\setcutlen`
 - layout/typography: `\setfontsize`, `\settextwidth`, `\setqrwidth`, `\setqreclevel`, `\setqrlogoscale`, `\setqrlogoborder`, `\setlogoheight`, `\setlayout`, `\setheaderemphasis`
 - booleans (`true`/`false`): `\setcrlf`, `\setaddress`, `\sethint`, `\seticon`, `\setrightalign`, `\seticonleft`, `\setfill`, `\setqrfirst`, `\setheader`, `\setqr`, `\sethttps`
-- colors/language/format: `\setlang`, `\setcardcolor`, `\setqrcolor`, `\setcountryformat`, `\setbgscale`, `\setbgopacity`, `\setqrbgopacity`
+- colors/language/format: `\setlang`, `\setcardcolor`, `\setqrcolor`, `\setcountryformat`, `\setbgscale`, `\setbgopacity`, `\setqrbgopacity`, `\setvcardversion`
 - convenience toggles: `\noheader`, `\withheader`, `\noqr`, `\withqr`, `\standardlayout`, `\centeredlayout`
 
 ### Document Title Interop
@@ -481,3 +482,5 @@ If you are missing a feature or configuration option, consult [project] and open
 [author]: https://marc.wäckerlin.ch "Marc Wäckerlin"
 [project]: https://mrw.sh/templates/businesscard-qrcode "the main project page"
 [lgpl]: https://www.gnu.org/licenses/lgpl-3.0 "Library GNU Public License"
+
+Fossify Contacts bug report: https://github.com/FossifyOrg/Contacts/issues/548