Improved robustness of the emoji feature

Changes:
- Use of `@emoji name` instead of `:name:`
- Support only GitHub emojis (i.e. without spaces or special characters in the name)
- Provided script to download images for LaTeX support.
- XML output now has <emoji> tag with name an unicode sequence.

1 files changed, 9 insertions, 1 deletions

diff --git a/src/perlmodgen.cpp b/src/perlmodgen.cpp
index 044efff..fcc7ef5 100644
--- a/src/perlmodgen.cpp
+++ b/src/perlmodgen.cpp
@@ -614,7 +614,15 @@ void PerlModDocVisitor::visit(DocSymbol *sy)
 void PerlModDocVisitor::visit(DocEmoji *sy)
 {
   enterText();
-  m_output.add(EmojiEntityMapper::instance()->perl(sy->emoji()));
+  const char *name = EmojiEntityMapper::instance()->name(sy->index());
+  if (name)
+  {
+    m_output.add(name);
+  }
+  else
+  {
+    m_output.add(sy->name());
+  }
 }
 
 void PerlModDocVisitor::visit(DocURL *u)