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-rw-r--r--src/doctokenizer.l2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/doctokenizer.l b/src/doctokenizer.l
index 4285b6c..f1b50af 100644
--- a/src/doctokenizer.l
+++ b/src/doctokenizer.l
@@ -305,7 +305,7 @@ HFILEMASK ("."{FILESCHAR}*{FILEECHAR}+)*
FILEMASK ({FILESCHAR}*{FILEECHAR}+("."{FILESCHAR}*{FILEECHAR}+)*)|{HFILEMASK}
LINKMASK [^ \t\n\r\\@<&${}]+("("[^\n)]*")")?({BLANK}*("const"|"volatile"){BLANK}+)?
VERBATIM "verbatim"{BLANK}*
-SPCMD1 {CMD}([a-z_A-Z0-9]+|{VERBATIM})
+SPCMD1 {CMD}([a-z_A-Z][a-z_A-Z0-9]*|{VERBATIM})
SPCMD2 {CMD}[\\@<>&$#%~"]
SPCMD3 {CMD}form#[0-9]+
INOUT "in"|"out"|("in"{BLANK}*","{BLANK}*"out")|("out"{BLANK}*","{BLANK}*"in")