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But empty text items cannot interact with a mouse pointer as well, because they have zero size.
Visibility of hidden items can be switched on and off.

It may be removed only:
- when the user edits this paragraph (it includes calling editing methods that modify this paragraph).
- when inserting this content in another document.
Otherwise, it's ok to use empty text item.
Another solution is using hidden items.

I believe this is really a style issue. If you do not specify TRichViewEdit.Color (it is Null by default), no special background will be drawn, and a background from FMX style will be used ("memostyle" by default). As for text color, it is defined in TRVStyle.TextStyles[], and Black for no...

It is possible to add it in code. But on editing, it may be removed.
You can try using a text style having EmptyWidth = 1.

Try to turn off update checking.
Open regedit. In HKEY_CURRENT_USER\SOFTWARE\TRichView, change AllowCheck = 0.

Do you have the newest version of TRichView?

RAD Studio 12.1 is completely compatible with RAD Studio 12.0.
You can use the existing version of TRichView and RVMedia (both the trial and the full version), no changes in the components or installers are required.

Actually, TRichView already does adjustment of some font properties for the first list marker. But it does not do it for a font name.
It's more complicated, because fonts name of bullets should not be adjusted. I need more time. Not in the next update, sorry.

TRVMathItemInfo has AsBitmap method:
function TRVMathItemInfo.AsBitmap(RVData: TCustomRVData; FillColor: TColor): TBitmap;

Maybe you call Reformat instead of Format?

I confirm the bug in RTF and DocX reading. Quick fix: Open RVRTFProps.pas. Change the line 2764 from if (InsertPoint > 0) and item.SameAsPrev and (item.StyleNo >= 0) and (CurrentRVData.GetItemStyle(InsertPoint - 1) = item.StyleNo) and (item.Checkpoint = nil) then to if (InsertPoint > 0) and item.Sam...

In your original example (|The item1| cat item2| ate item3|), are all 3 items hyperlinks with different targets?
In this case, they must not be merged into a single item.
Please send me a complete sample document for testing.

Do you load RTF or RVF? If RTF (Rich Text Format, format of MS Word), then RTF does not have items. It has commands like "make bold", "apply font name", etc. Also, tags are not saved in RTF (except for hypertext targets stored in tags). So, items cannot be kept when saving and re...

TRichView does not have its own methods for PDF export. However, it can use third-party PDF engines. 1. If you use FireMonkey, you can use PDF engine of Skia4Delphi. Just use TRVPrint.SavePDF or TRVReportHelper.SavePDF . Skia4Delphi is included in Delphi 12, or can be downloaded from https://github....

3) This function returns the index of paragraph style having all properties of the ParaNo-th paragraph style, but the specified alignment. If such a style does not exist, the function creates it: function GetParaNoWithAlignment(ARVStyle: TRVStyle; ParaNo: Integer; Alignment: TRVAlignment): Integer; ...