Improved decumentation for '@' symbols in labels (STR #2940).

CHANGES.txt

@@ -102,6 +102,7 @@ Changes in FLTK 1.4.0					Released: ??? ?? 2019
   Other Improvements
 
   - (add new items here)
+  - Improved decumentation for '@' symbols in labels (STR #2940).
   - Fl_Roller can now be controlled via the mouse wheel (STR #3120).
   - Tooltips hide by themselves after 12 seconds (STR #2584).
   - Added widget visibility indicator to Fluid (STR #2669).

documentation/src/common.dox

@@ -375,6 +375,15 @@ The @ sign may also be followed by the following optional
 Thus, to show a very large arrow pointing downward you would use the
 label string "@+92->".
 
+Symbols and text can can be combined in a label, however the symbol must be at
+the beginning and/or at the end of the text. If the text spans multiple lines,
+the symbol or symbols will scale up to match the height of all the lines.
+
+\image html symbol-examples.png "Figure 3-5: FLTK symbols and text"
+\image latex symbol-examples.png "FLTK symbols and text" width=10cm
+
+<!-- NEED 2in -->
+
 \par align()
 
 The \p align() method positions the label. The following