diff --git a/spip2md/spip.lark b/spip2md/spip.lark
index 8cfd8e3..375a01a 100644
--- a/spip2md/spip.lark
+++ b/spip2md/spip.lark
@@ -28,17 +28,17 @@ table_cell: _inline{TABLE_TEXT}
 _TBL_META: /\|\|(?=[^\r\n]+\|\|)/
 _TBL: /\|(?=[^\r\n]+\|)/
 
-heading: _H _inline{MARKED_TEXT}+ "}}}"
+heading: _H paragraph{MARKED_TEXT, MARKED_TEXT} "}}}"
 _H: "{{{"
 
 _block_tag: pair_block_tag
           | orphan_block_tag
 
-pair_block_tag: _PAIR_TAG_ANGLE TAG_NAME ( _OPTION_SEP TAG_OPTION )* ">" start "</" _PURE_TEXT ">" -> tag
+pair_block_tag: _PAIR_TAG_ANGLE TAG_NAME ( _OPTION_SEP TAG_OPTION )* ">" start? "</" _PURE_TEXT ">" -> tag
 orphan_block_tag: _ORPHAN_TAG_ANGLE "/"? TAG_NAME ( _OPTION_SEP TAG_OPTION )* ">" -> orphan_tag
 
-_PAIR_TAG_ANGLE: /<(?=([0-9A-Za-z]+)[0-9A-Za-z_:|,="\/\-\. ]*>\r?\n[\s\S]+<\/\1>)/
-_ORPHAN_TAG_ANGLE: /<(?=([0-9A-Za-z]+)[0-9A-Za-z_:|,="\/\-\. ]*>\r?\n)(?![\s\S]+\<\/\1\>)/
+_PAIR_TAG_ANGLE: /<(?=([0-9a-z]+)[^{}<>\[\]]*>[\s\S]*<\/\1>)/i
+_ORPHAN_TAG_ANGLE: /<(?=([0-9a-z]+)[^{}<>\[\]]*>)(?![\s\S]*\<\/\1\>)/i
 
 paragraph{begin, text}: _inline{begin} _N? ( _inline{text} _N? )*
 
@@ -56,9 +56,9 @@ pair_inline_tag: _INLINE_TAG_ANGLE TAG_NAME ( _OPTION_SEP TAG_OPTION )* ">" _N?
 short_inline_tag: _SHORT_INLINE_TAG_ANGLE TAG_NAME ( _OPTION_SEP TAG_OPTION )* ">" _N? paragraph{TEXT, TEXT} -> tag
 orphan_inline_tag: _ORPHAN_INLINE_TAG_ANGLE TAG_NAME ( _OPTION_SEP TAG_OPTION )* ">" -> orphan_tag
 
-_INLINE_TAG_ANGLE: /<(?=([0-9A-Za-z]+)[0-9A-Za-z_:|,="\/\-\. ]*>[\s\S]+<\/\1>)/
-_SHORT_INLINE_TAG_ANGLE: /<(?=([0-9A-Za-z]+)[0-9A-Za-z_:,="\/\.\|\- ]*>)(?!\/|img|emb|doc|[\s\S]+<\/\1>)/i
-_ORPHAN_INLINE_TAG_ANGLE: /<(?=(img|emb|doc)[0-9A-Za-z\|_:,="\/\.\|\- ]*>)/i
+_INLINE_TAG_ANGLE: /<(?=([0-9a-z]+)[0-9a-z_:|,="\/\-\. ]*>[\s\S]+<\/\1>)/i
+_SHORT_INLINE_TAG_ANGLE: /<(?=([0-9a-z]+)[0-9a-z_:,="\/\.\|\- ]*>)(?!\/|img|emb|doc|[\s\S]+<\/\1>)/i
+_ORPHAN_INLINE_TAG_ANGLE: /<(?=(img|emb|doc)[0-9a-z\|_:,="\/\.\|\- ]*>)/i
 
 _link: footnote
      | wikilink
diff --git a/test/0.spip b/test/0.spip
index 2b0c5d9..4e19c2b 100644
--- a/test/0.spip
+++ b/test/0.spip
@@ -74,6 +74,28 @@ def spipParser():
 
 ----
 
+{{{ Lien en plusieurs langues }}}
+
+<multi>
+[fr]
+Retrouvez toutes nos publications sur :
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+[en]Find all our publications on : 
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+[es]Recobre todas nuestras publicaciones sobre :
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+</multi>
+
+{{{ Titre multiligne avec beaucoup d’elements }}}
+
+{{{ {{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+[en]Find all our publications on : 
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+[es]Recobre todas nuestras publicaciones sobre :
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}} }}}
+
+----
+
 {{{Des images}}}
 
 <image1|left>
diff --git a/test/1.spip b/test/1.spip
index 321c99b..5d73340 100644
--- a/test/1.spip
+++ b/test/1.spip
@@ -30,6 +30,37 @@ Un lien [lark->https://lark-parser.readthedocs.io] dans un paragraphe.
 
 ---- ---
 
+<div style="text-align:center">
+{ multi
+[fr]
+Retrouvez toutes nos publications sur :
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+[en]Find all our publications on : 
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+[es]Recobre todas nuestras publicaciones sobre :
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+multi }
+</div>
+
+----
+
+<hr noshade>
+
+<div style="text-align:center">
+{{{ <multi>
+[fr]
+Retrouvez toutes nos publications sur :
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+[en]Find all our publications on : 
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+[es]Recobre todas nuestras publicaciones sobre :
+{{[HAL-LCPQ_SEM->https://hal.archives-ouvertes.fr/LCPQ_SEM/]}}
+</multi> }}}
+</div>
+
+<br>
+<object style="width:100%;height:800px;" type="text/html" data="https://haltools.archives-ouvertes.fr/Public/afficheRequetePubli.php?annee_publideb=2003&annee_publifin=2022&typdoc=('ART')&collection_exp=LCPQ_SEM&CB_auteur=oui&CB_titre=oui&CB_article=oui&langue=Anglais&tri_exp=annee_publi&tri_exp2=typdoc&tri_exp3=date_publi&ordre_aff=TA&Fen=Aff&css=https://www.lcpq.ups-tlse.fr/squelettes/css/charte-2/VisuCondense_nic.css"></object>
+
 {{{Research Interests}}}
 
 * {{Astrochemistry}} - Atmospheric Chemistry: interactions of PAH with ions, atoms (Si, Fe) and with molecular clusters ((H2O)n) ; PAH reactivity